College Physics (10th Edition)
10th Edition
ISBN: 9780321902788
Author: Hugh D. Young, Philip W. Adams, Raymond Joseph Chastain
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 14P
Express each of the following approximations of π to six significant figures: (a) 22/7, (b) 355/113. (c) Are these approximations accurate to that precision?
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(a)
How many significant figures are in the numbers 999.0 and 1000.0?
999.01000.0
(b)
If the uncertainty in each number is 10, what is the percent uncertainty in each? (Give your answer to 4 significant figures.)
999.0 %1000.0 %
(c)
Which is a more meaningful way to express the accuracy of these two numbers, significant figures or percent uncertainties?
How many significant figures are in the following numbers? (a) 78.9 ±\pm± 0.2 (b) 3.788 ×\times× 109 (c) 2.46 ×\times× 10–6 (d) 0.005 3
Determine the percent uncertainty in 0, and in sin 0,
when (a) 0 = 15.0° ± 0.5°, (b) 0 = 75.0° ± 0.5°.
Chapter 1 Solutions
College Physics (10th Edition)
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