A block of gold has length 5.62 cm, width 6.35 cm, and height 2.78 cm. a. Calculate the base area and round up the answer to the appropriate number of significant figures. b. Now multiply the rounded result of part (a) by the height and again round, obtaining the volume. Let this be ?1. c. Now obtain volume 2, ?2, by first finding the width times the height, rounding up to appropriate significant figures, and multiply by the length. d. Explain why the answers don’t agree with the third significant figure
A block of gold has length 5.62 cm, width 6.35 cm, and height 2.78 cm. a. Calculate the base area and round up the answer to the appropriate number of significant figures. b. Now multiply the rounded result of part (a) by the height and again round, obtaining the volume. Let this be ?1. c. Now obtain volume 2, ?2, by first finding the width times the height, rounding up to appropriate significant figures, and multiply by the length. d. Explain why the answers don’t agree with the third significant figure
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter1: Introduction: The Nature Of Science And Physics
Section: Chapter Questions
Problem 18PE: (a) How many significant figures are in the numbers 99 and 100? (b) If the uncertainty in each...
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Problem 4: Significant Figures
A block of gold has length 5.62 cm, width 6.35 cm, and height 2.78 cm.
a. Calculate the base area and round up the answer to the appropriate number of significant
figures.
b. Now multiply the rounded result of part (a) by the height and again round, obtaining the
volume. Let this be ?1.
c. Now obtain volume 2, ?2, by first finding the width times the height, rounding up to
appropriate significant figures, and multiply by the length.
d. Explain why the answers don’t agree with the third significant figure.
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