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[DOC File]Use of Significant Digits
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If you multiply or divide two numbers, the answer is rounded off to the number of significant figures in the least precise term used in the calculation (i.e. the number with the fewest sig figs). If you add or subtract, the answer is rounded to the same number of decimal places as the measurement with the least . number. of decimal places.
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[DOCX File]Sig Figs, Scientific Notation and Conversions
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sig figs (significant figures) are in each of the following quantities? In other words, how well do we know these numbers? Count the number of digits you are sure about. A. 1 mile. B. 528. 1. feet. C. 0.0025 mm. D. 2. 00,000,000 m/s. Notice that the last # (D) is a little ambiguous. Is the speed really known to the nearest m/s or are all those ...
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[DOC File]A Short Treatment of Uncertainty and How to Report Results
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0.004200 = 4.200 * 10-3 sig. figs. It is assumed that numbers are known to the precision of the least significant figure. Thus, reporting a result as 346 implies that the true value is …
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[DOC File]Unit 1 Metric system, significant figures, factor label ...
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In 31.00 the zeroes are significant, because the number was . Measured to the hundredth place. Math with Sig Figs. When . multiplying,your answer can only have the same number of . Sig figs as the least significant factor multiplied. 2.46 x 3.8 = 9.348 which becomes 9.3 . 2.46 is 3 SIG figs and 3.8 is only 2 sig figs, so you round the answer to ...
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[DOC File]Name:________________________
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Chemistry Period: _____ Worksheet: Significant Figures #2. Directions: Write the number of significant figures in the blank proceeding the number.
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[DOC File]Lab 1-2 Sig Fig - WISCO Science
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has 4 sig figs.4. 00. has 3 sig figs - beginning zeros. are NEVER significant. 0.000. 125 has 3 sig figs. 0.00. 2 has 1 sig fig - ending . zeros without a decimal are NOT significant. 400. has 1 sig fig. 2500. has 2 sig figs When multiplying. Use the number of Sig Figs from the least accurate measure. 2.54 cm. x 3.1 cm 7.9 cm2 When adding ...
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[DOC File]The number of significant figures is equal
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Look at the numbers on which you are operating. Count up the number of sig figs in each. If one of the numbers has fewer sig figs than the other numbers, that number of sig figs will be the same number of sig figs in your answer. You must then perform the operation and round the result to the correct number of sig figs: 29.35 ( 43.678 = 1281.9493
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[DOC File]Rules For Significant Figures
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(3 sig figs) (4 sig figs) = (3 sig. figs) (smallest) Adding and subtracting: Add or subtract the numbers. The final answer can contain only as many decimal places as found in the measurement with the . fewest number. of decimal places.
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[DOC File]Rules for Using Significant Figures in Mathematical Operations
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For example, there are 3 sig figs in 3500. The last zero (in the ones place) is not significant. When multiplying or dividing, the answer will have the same amount of sig figs as the value with the least number of sig figs. If the answer has too many decimal places, round to the number of sig figs it should have. For example, 12 / 3.00 = 4 ( 4.0
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[DOC File]Significant Figures Activity
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Width:_____ Sig Figs:_____ Area:_____ Sig. Figs:_____ 2. Measure the same rectangle with a ruler that can be read to the nearest millimeter. Again, record the number of significant figures and circle the estimated digit. Recalculate the area of the rectangle.
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Number to number of sig figs