Calculations with significant figures

• [DOC File]Significant Figures Practice Worksheet

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  Practice Problems for Significant Figures . RULE -1: If the decimal is . Present: Find the first non zero on the left, then count all digits to the . RIGHT. If the decimal is . Absent ... Perform the following calculations and round according to the rule above. 1) …

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• [DOC File]Significant Figure Calculations

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  Significant Figure Calculations – Answers. Solve the following mathematical problems such that the answers have the correct number of significant figures: 1) 334.54 grams + 198 grams = 533 grams (rounded from 532.42 grams) 2) 34.1 grams / 1.1 mL = 31 g/mL (not rounded) 3) 2.11 x 103 joules / 34 seconds = 62 J/s (rounded from 62.0588 J/s)

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• [DOC File]SIGNIFICANT FIGURES - Ms Brown's Chemistry Page

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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

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• [DOC File]Significant Digits

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  Significant figures in derived quantities (Calculations) In all calculations, the answer must be governed by the least significant figure employed. ADDITION AND SUBTRACTION: The answer should be rounded off so as to contain the same number of decimal places as the number with the least number of decimal places. In other words, an answer can be ...

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• [DOCX File]Oklahoma City Community College

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  Significant Figures in Scientific Measurements and Calculations. Background: When a mass can be reported to the nearest 0.001 g, one could use the following notation “2.234 ± 0.001 g”. In much of scientific work the “±” notation is dropped, with the understanding that in the measurement “2.234 g” the last digit has some uncertainty.

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• [DOC File]Significant Figure Calculations

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  Significant Figure Calculations – Answers. Solve the following mathematical problems such that the answers have the correct number of significant figures: 1) 334.540 grams + 198.9916 grams = 533.532 g (rounded from 533.5316 g) 2) 34 grams / 10.1 mL = 3.4 g/mL (rounded from 3.366 g/mL) 3) 2.61 x 106 joules / 0.0034 seconds = 8.9 x 103 J/s

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• [DOC File]Worksheet - Calculations

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  Significant Figures - the number of significant figures (sig. fig.) is a measure of the degree of . uncertainty . in a measurement. There is experimental uncertainty in the last significant figure of a measurement. The rules for sig. fig. are given in Chapter 1.5. All non-zero numbers are significant. Zeros between numbers are significant.

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