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: 85

Answer

(a) $319000$ (b) $2721000000$ (c) $0.00000002670 $ (d) $0.000000009999$

Work Step by Step

(a) $3.19 * 10^5=319000$. Move the decimal point 5 spaces to the right. (b) $2.721 * 10^8=2721000000$. Move the decimal point 8 spaces to the right. (c) $2.670 * 10^{-8}=0.00000002670$. Move the decimal point 8 spaces to the left. (d) $9.999 * 10^{-9}=0.000000009999$. Move the decimal point 9 spaces to the left.
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