Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 2 - Section 2.5 - Powers of 10 - Exercises - Page 122: 28



Work Step by Step

$(\frac{10^4}{10^{-7}})^3$ to raise a power to a power multiply the exponents $\frac{10^{12}}{10^{-21}}\longrightarrow$ to divide powers of 10, subtract the exponents $=10^{12-(-21)}$ $=10^{12+21}$ $=10^{33}$
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