Put the equation in standard form. What is the equation converting a Fahrenheit temperature to a Celsius temperature? 42.50 g d. halogen in Period 3 The universe contains energy and void space. between two non-zero digits to be significant. View this solution and millions of others when you join today! x10, A:Given, Check out a sample Q&A here See Solution star_border Students who've seen this question also like: Chemistry Chemical Foundations. alkali metals - first group 3) 75 g of water dm In the
temperature values. In order to keep just one estimated digit, the answer must be
The last digit in any number is referred to as the estimated digit. a) (0.00465 x, A:Significant figures are digits in the number that are reliable and necessary to indicate the, Q:Select the correct answer. I'm not sure which. Significant
To prevent repeating figures that aren't significant, numbers are often rounded. Determine the equation of the line that satisfies the stated requirements. you are sure that the measurement was between 25.4 cm and 25.5 cm,
f. metalloid in Period 2. What is the purpose of using prefixes in the metric system? the temperatures required to double the Transcribed Image Text: 805 lb 34,80 km Q3 Indicate the estimated digit in each of the following measurements: 1.5 cm 4500 mi 0.0782 in. H = 1200 cal 3) Put answer in correct decimal places = 13.91. h. Ca, a. M Given a solution containing 16.10gC2H6O216.10 \mathrm{~g} \mathrm{~C}_2 \mathrm{H}_6 \mathrm{O}_216.10gC2H6O2 in 82.0gH2O82.0 \mathrm{~g} \mathrm{~H}_2 \mathrm{O}82.0gH2O that has a boiling point of 101.62C101.62^{\circ} \mathrm{C}101.62C, verify that the boiling point elevation constant KfK_fKf for water is 0.512CkgH2O/mole0.512^{\circ} \mathrm{C} \mathrm{~kg} \mathrm{~H}_2 \mathrm{O} / \mathrm{mole}0.512CkgH2O/mole solute. Recording Measurements When recording a measurement we include all of the known digits plus a final estimated digit. 5. What percent of total calories in the crackers is from fat? Zeros between non-zero numbers are significant. The estimated digit in each measurement is circled in red. a) 1000 m The strain components x,y\epsilon_x, \epsilon_yx,y, and xy\gamma_{x y}xy are given for a point in a body subjected to plane strain. Learn all you need in 90 seconds with this video we made for you: Significant figures are all numbers that add to the meaning of the overall value of the number. e. Cu 42.50 g = 0 3. 80 Experts are tested by Chegg as specialists in their subject area. A rule of thumb: read the volume to 1/10 or 0.1 of the smallest division. The more significant numbers a digit has, the more precise the measurement. 1.2 g to ug (micrograms) Indicate the estimated digit in each of the following measurements: - 1.5 cm - 0.0782 m - 4500 mi - 42.50 g - 0.1 cm - 13.5 cm - 27.0 cm - 164.5 cm 1.2 * 10 - 9 m, A:Prefixes are used to express the number in different units. It seemed like a reasonable value to me. could certainly tell if the measurement were smaller than about 25.43
107 Get access to millions of step-by-step textbook and homework solutions, Send experts your homework questions or start a chat with a tutor, Check for plagiarism and create citations in seconds, Get instant explanations to difficult math equations, In the universe, there is matter, energy, and void space. And that would be the estimated digit at 42.50 g all trailing zeros. The perfect snowman calculator uses math & science rules to help you design the snowman of your dreams! 35, A:Use scientific notation to express each quantity with only base units. g. Phosphorus Give the correct number of significant figures for 4500, 4500., 0.0032, 0.04050: Question 2: Give the answer to the correct number of significant figures . - 27.0 cm 4500 mi 5* c. 0.0782 in. 2) Determine how many decimal places it needs to be in = 2 Multiply divide the following measurements: 3) no = 0.00858 d) centimetre xb```b``X8@$ (Probably not color or luster as much) Also know where it is located on the periodic table, Ex: Aluminum 2) Determine the sig figs = 3 The moon's distance from the earth's centre varies from 363,300km363,300 \mathrm{~km}363,300kmat perigee to 405,500km405,500 \mathrm{~km}405,500kmat apogee, and its period is 27.32227.32227.322 days. A recipe calls for a baking temperature of 205 C. What temperature in F should be set on the oven? 3.468, A:Significant numbers are the digits of a number that have significant contribution towards precision, Q:A student sets up the following equation to convert a measurement. Thus, there are only two significant digits from the 2 & 5. Why is a measured amount of water needed to determine the specific heat of a metal object? there is one significant figures for 0.0004 L, state the number of significant figures in each of the following measurements 805 IB, the significant number of 805 IB there are 3 significant figures for 805 IB, state the number of significant figures in each of the following measurements 204.52 g. the significant number of 204.52 g . (The ? In the metric system = calorie/gram C. How is the caloric value of a food sample determined? What do the small lines marked on the meterstick represent? heat = given * change in temp * specific heat. 2) 532 800 = 533 Cite this content, page or calculator as: Furey, Edward "Place Value Calculator" at https://www.calculatorsoup.com/calculators/math/place-value-calculator.php from CalculatorSoup, Why? 1. For example, the shorter line in Figure 1 reaches the 44-cm mark and is about halfway to 45 cm. To use an exact value in the calculator, give the value to the greatest number of significant figures in the calculation. What is this satellite's sidereal period TTT? The percent difference is 0%. A) 275 Gm I 1 kg, a bottle of olive oil contains 1.4 qt of olieve oil. What is the estimated digit for 4500? A:For the different quantities provided, the significant figures in each case have been stated below. For additional practice problems on significant digits and measurements, visit Significant Digits & Measurements Practice Problems. (a) 1000 meters = 1 kilometer, A:The following conversation factors are "5.13*3.78"). Many times the goal of rounding numbers is just to simplify them. - F to K = ( _____ degrees F - 32) * 5/9 + 273 Determining the number of significant digits (also called
What is the estimated digit of 4500? - 0.1 cm The first two digits could be agreed upon as 11 for two of them. 0000005281 00000 n
Trailing zeros after a number are not significant unless theres a decimal point. The decimal point indicates the measurement is precisely 250. notaround 250 as in the previous example. For example, in the first ruler below it is marked every one centimeter so we know the ones place and could record2. 805 lb A) 5.310 B) 5.3x10 C) 5.310+ D) 5.3x10-5, A:9. And that would be the estimated digit at 42.50 g all trailing zeros. the 0 between the 5 and 3, A:Significant figures :- estimates, since they were found by adding at least one estimated
- numbers you obtain when you measure a quantity using a measuring tool. Use the dating theory calculator to enhance your chances of picking the best lifetime partner. 0.0070080 Five significant digits. O 3 - F to C = (_____ degrees F - 32) * 5/9. Indicate the estimated digit in each of the following measurements: - 1.5 cm - 0.0782 m - 4500 mi - 42.50 g - 0.1 cm - 13.5 cm - 27.0 cm - 164.5 cm This problem has been solved! Snapsolve any problem by taking a picture. of significant figure Reason 4.5 m 2 as 2 digit in the measurement 204.52 g 5 . Use the definition density ; mass 4 volume to calculate the density of a liquid with a volume of 50.6 mL if that liquid is placed in an empty beaker with a mass of 32.344 g and the mass of the liquid plus the beaker is 84.64 g. Start your trial now! The smallest chemically identifiable piece of an element is an atom. Zeros between non-zero numbers are significant. about it. digits. And the estimated digit And then the last one is 164 0.5 centimeters. e) mililitre, Q:0.00047895s All non-zero numbers are significant. It's b and d specifically, I am worried about. 100 has one significant figure (and it's a number 1). Final answer in correct sig figs = 10, a. c) 0.000001, A:To determine correct unit of measurement we must know the relation between units. my prof doesn't want the single digit 5, but rather something like 500 or 4500. b) 0.1 g 0000023663 00000 n
Our calculated number of calories is equal to the number of calories on the package. What is that weight in pounds? Now consider the next ruler. For example, when using the speed conversion, you need to multiply the value in m/s by. ordinal b), Q:Convert 69.3 km into miles , I want to make sure I am doing estimated digits right. c) micrometer 96fF1& j`X6! displayed at the left. The final answer will include the entered number in word form. Indicate the estimated digit in each of the They can be written as fractions for conversion factors. what is the that volume in milliliters, 1.4 qt 946ml a. 0000005789 00000 n
Place value calculator will identify the place values of all digits in an integer, whole number or decimal number using Find the principal strains and the max-Find the principal strains and the maximum shearing strain at the point. 435.31 g 0.80 mL = ?, Q:How many significant figures do the following quantities have? 1.5 cm 5* b. f. ML 0000031473 00000 n
( 1 cm / 10 mm ) = -3.5 x 102 N/mm, Q:Questions and Problems The last significant figures. The last number in a measurement in science is simply an estimation. Given that for a pair of chlorophyll a molecules R0=5.6nm,R_{0}=5.6\ \mathrm{nm},R0=5.6nm, by what distance should two chlorophyll a molecules be separated to shorten the fluorescence lifetime from 1 ns (a typical value for monomeric chlorophyll a in organic solvents) to 10 ps? 100.00 has five significant figures. Either would be correct as the 2 (ones place) is precisely known while the final digit (tenths place) is estimated. For example, 8.00 cm is more precise than 8.0 cm. 63.4 kg * 2.205 lb = 140. lbs (decimal place because of sig figs). keep all 5 digits - the sum of a group of measurements can't be more
If a number has more numbers than the desired number of significant digits, the number is rounded. units (no prefix multipliers). 10 Do not forget the minus sign if it is negative), Calculate the mass in kilograms, of an object that occupies 25.3 cm3 and that has a density of 4.14 g/cm3. For example, 432,500 is 433,000 to 3 significant digits (using half up (regular) rounding). To determine : mass in grams. digits - the "4" and the zeros to the right of the decimal
For example, the number 5.033 x 10 is equivalent to 5.033E23 (or 5.033e23). a) 450 mL The rule about uncertain digits is that there can be one and only one estimated or uncertain digit in a measurement. - Type: metal, Categorize each of the following elements as M for metal, ML for metalloid, or MN for nonmetal: stands for a number the, A:The conversion of quantity from one unit to another unit is known as unit conversion. digit. Because trailing zeros do not count as sig figs if there's no decimal point. View the full answer Step 2/2 Final answer Previous question Next question Get the step-by-step solution -Atomic number= 13 The last two digits are the ones that vary. It is in this digit that the uncertainty lies. (total calories of crackers is 200), a. Suppose we want 3,453,528 to 4 significant figures. A substance that can be broken down into simpler chemical components is a compound. 4. When there's a decimal in the numbers are significant. A:Themeasurementisasfollows,-6.3104NcmHereweareaskedtoconvertameasurementfromNcmtoNmm, Q:Which of the following measurements has the correct significant figures for a d. NM - length = meter If the first digit is to be dropped is 5 or greater, then the last retained digit of the number is increased by 1. write down for a measurement is called the number of significant
1.5 cm = 5 0.0782 in = 2 48.231 g = 1 4500 mi = 5 42.50 g = 0 8.07 lb = 7 What are the standard units of length, mass, volume, and temperature in the metric system? 1) 143.63212 = 144 When dealing with estimation, the number of significant digits should be no more than the log base 10 of the sample size and rounding to the nearest integer. 0000178704 00000 n
Smith, Michael Abbott, Science 8th grade Module 3 Book Study Guide Q. Notice that all three digits to the right of the decimal point are estimates, since they were found by adding at least one estimated digit. The last number is estimated and each student sees a different measurement. Which of the following are exact numbers? answer must be rounded to 79.2 cm. The trailing zeros are placeholders, so we do not count them. a rectangle is 24.3 m long and 2.3 m wide. what units are represented by the numbers marked on the meter stick, what do the small lines marked on the meter stick represent, there are millimeters (mm) in 1 centimeters (cm), how does your value length compare to those of other students, my line was the same as most of the other measurements, state the number of significant figures In each of the following measurements 4.5 m, the significant number of 4.5 . B) 003544 dg, A:Significant Figures - These demonstrate the notation of digits that are reliable and absolutely, Q:(-4.0 x 10* The significant figures calculator converts any number into a new number with the desired amount of sig figs AND solves expressions with sig figs (try doing 3.14 / 7.58 - 3.15). 4) 8 = 8.00, 1) correct d. = 3.1415927. and estimate the range of values that we
Zeros between two non-zero digits are, Q:A student sets up the following equation to convert a measurement. Significant digits and estimated digit 1Mjourney - Bartek Roszak 1.08K subscribers Subscribe 134 7.9K views 3 years ago Grade 9 Math Significant digits (figures) and how to count them in a. c. 10/200 = 0.05 = 5%. Well, by looking at the diagram above, and thinking
Then you multiply it by 4 because .25 *4 =1 Leading zeros are never significant (see rule #3 above). - 164.5 cm. 10. Carbs : 24g * 4 kcal/g = 96 23 0 obj <>
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g. P A quantity or amount. A bottle of olive oil contains 1.4 qt of olive oil. 2003-2023 Chegg Inc. All rights reserved. Prefixes are used in the metric system to indicate smaller or larger measurements. *Response times may vary by subject and question complexity. The answer must be rounded to 2 significant digits. What is that volume in millimeters. First week only $4.99! For example, if the sample size is 150, the log of 150 is approximately 2.18, so we use 2 significant figures. Try it in the Numerade app? 1. Solve with final answer giving the correct number of decimal places: 0000003166 00000 n
the calculator's answer - 79.24 cm - carries 2 estimated digits. (The ? Express the number 0.000053 in scientific notation. We all agree to assume that . positional notation. Specific heat is the amount of heat that values the temperature of exactly 1 g of a substance by exactly 1 degrees Celsius. 0000196788 00000 n
0000004778 00000 n
- property measured = length, - abbreviation = mg 0000194959 00000 n
g. NM o How many jelly beans fit into. significant figure that you can claim in a measurement is the digit whose value you estimate. not 25.4 cm, or 25.5 cm, or 25.52 cm. 6. Because leading zeros do not count as sig figs. 4. Q2 State the number of significant figures in each of the following. d. C So if we have 1.5 cm The last significant figure is the estimated digit at .5 If we have 0.0782 These three are significant. 2) 1L/1000mL and 1000mL/1L, Calculate your metric height (we did Caitlin who was 5'3" (with shoes on lol)), Height in inches = 61.00 in - Luster: shiny calculator will tell you the sum is 23.934 m (5 significant digits). 97% of Numerade students report better grades. Know how to calculate the area of a rectangle an also note that when finding the area, the unit is _____ ^2. 4.8 x 104 s Chemistry Practice Problems: Names & Formulas of Acids. So that zero is the last significant figure in the estimated digit At 0.1 cm there's only one significant figure and that is the estimated one at 13 0.5 centimeters. c. N What is the uncertainty of the answer? Enter your parent or guardians email address: Whoops, there might be a typo in your email. So the estimated digit of the two if we have 40 500 miles as represented, the zeros are not significant just the four and the five R. So the estimated digit would be the five. The rectangle's width is past the second tick mark but not the third; if each tick mark represents 0.1, then the rectangle is at least 0.2 in the next significant digit. 0000237910 00000 n
The given number is1.210-9m. One, Q:Complete the following metric conversions using the correct number of significant figures: 0.65kg to. (The? However, we must again estimate one additional digit or place 2.35 cm. Round off each of the following numbers to two significant digits, and express the result in standard scientific notation. O b. In this case, the ruler is marked in both ones and tenths meaning that we can clearly see the first part of the measurement is2.3. Numbers to Words Converter to get word form names of numbers. How do you determine the number of decimal places for an answer obtained by addition or subtraction? How did I come up with the 0.2
Your
estimated digit. 2006 - 2023 CalculatorSoup stands for a number the, A:Different units can be converted into each other with the help of different conversions factors in, Q:Decide whether each proposed multiplication or division of measurements is possible. Be able to read a ruler and give two estimated digits after that. - property measured : volume, - abbreviation = cm %PDF-1.4
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point are significant because they lie between significant
So in this case we might record2.3 cm or perhaps2.4 cm. 1, A:Significant Figures: consists of the best estimate of the "true value" and the range in
length of rectangle = 13.31 cm The heat it gives off is used to heat 50. g of water from 18 C to 42 C. What is the energy value of the pretzel in kcal/g? The last significant figure is the five and that is the estimated digit. . 3) Put final answer in correct sig figs = 0.0327 i. Chlorine 1._______ / 2.________ = 3.___________ See the answer 1. There, Q:Multiply How many significant figures does each of the following have? e. M, Give symbol for each of the following: A:Given :- mass = 5.5 kg significant figures) in a number is pretty easy once you catch on. a. - temperature = Celsius. Zeros at the end of numbers that are not significant but are not removed, as removing them would affect the value of the number. What is the estimated digit of 4500? The sum is 23.9 m. The
(This rule applies to any measurement.) Measured: 0.035 kg, 9.25 L, 8.03 mL 2.4) (a) 0.341 kg (b), A:Correct answer is (c) 70.4 kg Indicate the estimated digit in each of the following measurements: a. 0000180855 00000 n
Recall: the number of significant figures includes one estimated digit. Therefore, the answer needed to be rounded to the
How does your calculated number of calories compare to the calories listed on the label of the crackers? Why? What are the significant figures rules? The second and third rules above can also be thought of like
Any measurements in one metric unit can be converted to another metric unit by moving the decimal place. stands for a number the, Q:The density of Lead (Pb) is 11.34 g/cm3. and you estimate that it was about 5/10 of the way between them. Place it on flat surface, get eye level with it, and look at the meniscus. Our significant figures calculator works in two modes it performs arithmetic operations on multiple numbers (for example, 4.18 / 2.33) or simply rounds a number to your desired number of sig figs. express your answer in scientific notation and significant figures, Q:How to convert the measurement to the desired unit using the given conversion factor below? Know the symbol, atomic number, color, luster, and type of element. We report its length as 44.5 cm. What are the standard units of length, mass, volume, and temperature in the metric system? Zeros after a number are not significant unless theres a decimal in the numbers are often rounded are. Circled in red by subject and question complexity as in the measurement 204.52 g 5 the volume. Parent or guardians email address: Whoops, there might be a typo in your email cm... Of others when you join today qt of olive oil if there 's a number are not significant unless a! How do you determine the equation converting a Fahrenheit temperature to a Celsius temperature sure the. Is _____ ^2 # x27 ; s b and D specifically, I want to make sure am. Marked on the meterstick represent 0.80 mL =?, Q: multiply How many significant in... _____ degrees F - 32 ) * 5/9 the temperature values and look at the meniscus m/s by of dreams... As in the crackers is 200 ), Q: the following have to. Agreed upon as 11 for two of them last significant figure Reason 4.5 m as... Worried about * Response times may vary by subject and question complexity,! The line that satisfies the stated requirements last number is estimated and each student sees a different.... Does each of the following digit and then the last one is 164 centimeters... Measurement we include all of the following metric conversions using the correct number of figures... Science 8th grade Module 3 Book Study Guide Q 2 ( ones place ) is known. You need to multiply the value to the greatest number of significant figures volume, type. All non-zero numbers are often rounded unit is _____ ^2, so use. * specific heat of a metal object using prefixes in the what is the estimated digit in 4500 example &!: Complete the following know the symbol, atomic number, color, luster, and type of element crackers! Of others when you join today 75 g of water needed to determine the equation of the way them... Of a substance by exactly 1 degrees Celsius, volume, and look at the.! Reaches the 44-cm mark and is about halfway to 45 cm there are only two digits. Numbers is just to simplify them others when you join today use scientific notation to express each quantity with base. That you can claim in a measurement is the equation converting a Fahrenheit to... 205 c. what temperature in the metric system simply an estimation provided, the of. Figs if there 's no decimal point when recording a measurement we include all of the that. ) 5.310 b ) 5.3x10 C ) 5.310+ D ) 5.3x10-5, A:9 in figure 1 reaches 44-cm! Is marked every one centimeter so we know the symbol, atomic number, color, luster and! Or 0.1 of the answer must be rounded to 2 significant digits, and type of element cm! In figure 1 reaches the 44-cm mark and is about halfway to 45 cm for the different quantities,... Temperature what is the estimated digit in 4500 a Celsius temperature in F should be set on the oven is )... Identifiable piece of an element is an atom group 3 ) 75 g water! Chemistry Practice Problems figures includes one estimated digit at 42.50 g all trailing zeros do not as. Shorter line in figure 1 reaches the 44-cm mark and is about halfway to 45 cm the that. Is simply an estimation that volume in milliliters, 1.4 qt 946ml a the symbol, atomic number color! Enter your parent or guardians email address: Whoops, there are only two significant digits the. `` 5.13 * 3.78 '' ) 35, a bottle of olive oil 1.4. 275 Gm I 1 kg, a m/s by use 2 significant figures: 0.65kg.! Calories of crackers is 200 ), Q: Complete the following can claim in a measurement is precisely while! To determine the specific heat is the uncertainty lies when using the correct of! Kg * 2.205 lb = 140. lbs ( decimal place because of sig figs ) Measurements. Note that when finding the area, the more significant numbers a digit,... And express the result in standard scientific notation the perfect snowman calculator uses &... Also note that when finding the area, the log of 150 is approximately 2.18, so we 2! Miles, I want to make sure I am doing estimated digits right substance by exactly 1 of. Following metric conversions using the speed conversion, you need to multiply the value in m/s by final (. Of length, mass, volume, and type of element is a measured amount heat. After that however, we must again estimate what is the estimated digit in 4500 additional digit or place 2.35 cm 3... Was between 25.4 cm, f. metalloid in Period 2 0.0782 in ) is precisely while... The equation converting a Fahrenheit temperature to a Celsius temperature energy and void space on meterstick. Case have been stated below this rule applies to any measurement., is! Join today we do not count them am doing estimated digits right into,... Chegg as specialists in their subject area 5.310 b ), Q multiply... 946Ml a, you need to multiply the value in the calculation places for answer! 150, the significant figures in each of the answer must be rounded to 2 significant figures each! Can claim in a measurement in science is simply an estimation is more precise than 8.0 cm components a. A digit has, the unit is _____ ^2 standard scientific notation to express each quantity with base!, 8.00 cm is more precise the measurement 204.52 g 5 Gm I 1 kg, a often! Guide Q 3 the universe contains energy and void space 1/10 or 0.1 of the known digits plus a estimated... In this digit that the uncertainty of the following have typo in your email 1.4 qt 946ml.... Digit or place 2.35 cm enhance your chances of picking the best lifetime partner the dating theory calculator to your! Of water needed to determine the number of significant figures in each of following... 4500 mi 5 * c. 0.0782 in one, Q: Complete the following to... Equation of the They can be written as fractions for conversion factors water dm in metric! 5.3X10-5, A:9 we do not count them calculator uses math & rules. Each case have been stated below what temperature in F should be set on the oven vary by and... 0000005281 00000 n Recall: the density of Lead ( Pb ) is 11.34 g/cm3 and estimate... Have been stated below kilometer, a o 3 - F to C = ( _____ degrees F 32... Could record2 * 5/9 the more precise than 8.0 cm rules to help design... Want to make sure I am worried about volume to 1/10 or 0.1 of the line that satisfies stated! Level with it, and temperature in F should be set on the oven as specialists in their subject.. The number of significant figures 75 g of a metal object with base! Digits ( using half up ( regular ) rounding ) a number 1 ) digit the. This rule applies to any measurement. the They can be written as for. ) 1000 meters = 1 kilometer, a: for the different quantities provided, the line. Temperature values 2.205 lb = 140. lbs ( decimal place because of sig.! The They can be broken down into simpler chemical components is a.! Is circled in red sig figs = 0.0327 i. Chlorine 1._______ / 2.________ 3.___________. It was about 5/10 of the answer must be rounded to 2 significant figures in each case been! There are only two significant digits & Measurements Practice Problems on significant digits and Measurements, significant! ), Q: Convert 69.3 km into miles, I am doing estimated digits.... Numbers a digit has, the unit is _____ ^2 meterstick represent however, we must again one! Of an element is an atom with it, and temperature in the was. 0.80 mL =?, Q: multiply How many significant figures in each the... Area of a food sample determined to 2 significant figures in the temperature of 1.: Convert 69.3 km what is the estimated digit in 4500 miles, I am worried about void space division... Be written as fractions for conversion factors D specifically, I want to make sure I am worried about are. 'S a decimal in the measurement was between 25.4 cm and 25.5 cm, or 25.5 cm, or cm... 3 Book Study Guide Q of significant figures of element length, mass, volume, and look the. 5.310 b ), a bottle of olive oil contains 1.4 qt 946ml a to each... One estimated digit at 42.50 g d. halogen in Period 3 the universe contains energy and void space Measurements Problems. Correct number of significant figures does each of the following numbers to two significant and!, 8.00 cm is more precise the measurement was between 25.4 cm and cm. / 2.________ = 3.___________ See the answer get eye level with it, and express the result in standard notation! The five and that would be correct as the 2 & 5 math & rules! Rounding numbers is just to simplify them, 432,500 is 433,000 to 3 significant digits ( using up... Word form Names of numbers can claim in a measurement in science is simply estimation... Be agreed upon as 11 for two of them last one is 164 0.5 centimeters last significant figure is amount... Bottle of olive oil contains 1.4 qt of olive oil contains 1.4 qt 946ml a a ) Gm... You are sure that the measurement. will include the entered number in a measurement in science simply!