Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.2 - Exponents and Radicals - 1.2 Exercises - Page 23: 84

Answer

(a) $1.2954*10^{8}$ (b) $7.259*10^{9}$ (c) $1.4*10^{-9}$ (d) $7.029^{-4}$

Work Step by Step

(a) $129,540,000=1.2954*10^{8}$. Move the decimal point 8 spaces to the left. (b) $7,259,000,000=7.259*10^{9}$. Move the decimal point 9 spaces to the left. (c) $0.0000000014=1.4*10^{-9}$. Move the decimal point 9 spaces to the right. (d) $0.0007029=7.029^{-4}$. Move the decimal point 4 spaces to the right.
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