## Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole

# Chapter 1 - Section 1.2 - Exponents and Radicals - 1.2 Exercises: 86

#### Answer

(a) $710000000000000$ (b) $6000000000000$ (c) $0.00855$ (d) $0.0000000006257$

#### Work Step by Step

(a) $7.1 * 10^{14} =710000000000000$. Move the decimal point 14 spaces to the right. (b) $6 * 10^{12}=6000000000000$. Move the decimal point 12 spaces to the right. (c) $8.55 * 10^{-3}=0.00855$. Move the decimal point 3 spaces to the left. (d) $6.257 * 10^{-10}=0.0000000006257$. Move the decimal point 10 spaces to the left.

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