Dividing significant figures
[DOC File]Guided notes: Scientific notation
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DIVIDING in scientific notation. Divide the mantissas and SUBTRACT the exponents (7.5 x 10-3)/(2.5 x 10-4) = 7.5/2.5 x 10-3-(-4) = 3 x 10 = 30. ADDING or SUBTRACTING in scientific notation. 1. First make sure that the numbers are written in the same form (have the same exponent) 3.2 x 103 + 40 x 102 (change to 4.0 x 103)
[DOC File]SIGNIFICANT FIGURES
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4. When multiplying or dividing measurements written in significant figures, show the uncertainty of your calculations by rounding off your answer to . match the same number of significant figures as your least precise measurement (the measurement with the least number of significant figures). Example: 477.85 ( 32.6 = 14.657975 = 14.7
[DOC File]Chapter Two Study Guide
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When multiplying or dividing, the answer can only have the same number of significant figures as the measurement with the fewest significant figures. Example: 2.25 m (3 significant figures) X 3 m (1 significant figure) 6.75 m = 7m (1 significant figure) The answer has 1 significant figure because the least precise. measurement (3 meters) has ...
[DOC File]Reading for Meaning- Significant Figures
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When multiplying or dividing, the number of significant figures retained may not exceed the least number of digits in either the of the factors √ 4. In multiplying together the following numbers their product has the correct number of significant figures: 66.45 cm x 2.00 cm x 48.2 cm= 6410 cm3. 5.
[DOC File]Significant Digits - Miami-Dade County Public Schools
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Use of significant figure rules helps us express values with a reasonable amount degree of precision. When multiplying or dividing, the number of significant figures retained may not exceed the least number of digits in either of the factors. Example: 0.304 cm x 73.84168 cm. The calculator displays 22.447871. A more reasonable answer is 22.4 cm2.
[DOC File]1. Significant Figures
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1. Do significant figures relate to the accuracy or the precision of the measurement? 2. Explain the reasoning behind the rules for adding, subtracting, multiplying, and dividing with significant figures. 3. What determines the number of significant figures in a recorded value? 4. What determines the number of significant figures in a ...
[DOC File]Chapter 2 Study Guide
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Name _____ Significant Figures. 1. Write down the four rules for counting significant figures. 1._____ 2._____
[DOC File]Rules for Using Significant Figures in Mathematical Operations
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12 has two significant figures and 3.00 has three, so the answer should only have two. For example, 3.20 x 5.04 = 16.128 ( 16.1. The starting values only have three significant figures each, so round the answer to three significant figures, 16.1.
[DOC File]Significant Figures and Scientific Notation
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Determining Significant figures when multiplying or dividing. The answer to a multiplication or division calculation should be rounded to the same number of significant figures as the measurement with the least amount of significant figures. Example: 7.55 meters x 0.34 meters.
ChemQuest 2 - Quia
The concept of significant figures has the answer. When multiplying and dividing numbers, you need to round your answers to the correct number of significant figures. To round correctly, follow these simple steps: Count the number of significant figures in each number. Round your answer to the least number of significant figures. Here’s an ...
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