College Physics (4th Edition)

Published by McGraw-Hill Education
ISBN 10: 0073512141
ISBN 13: 978-0-07351-214-3

Chapter 1 - Problems: 20

Answer

(a) $6.88\times 10^{-5}~m$ (b) $2600.00~km$ (c) $22~m^2$ (d) $= 0.01~cm$ (e) $= 0.013~cm$

Work Step by Step

(a) $6.85\times 10^{-5}~m+2.7\times 10^{-7}~m$ $= 6.85\times 10^{-5}~m+0.027\times 10^{-5}~m$ $= 6.88\times 10^{-5}~m$ (b) $702.35~km+1897.648~km$ $= 2600.00~km$ (c) $5.0~m \times 4.3~m = 22~m^2$ (d) $\frac{0.04}{\pi}~cm$ $= \frac{0.04}{3.14}~cm$ $= 0.01~cm$ (e) $\frac{0.040}{\pi}~cm$ $= \frac{0.040}{3.14}~cm$ $= 0.013~cm$
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