Elementary Technical Mathematics

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

Chapter 4 - Cumulative Review - Page 209: 6


$8.70 \times 10^5$

Work Step by Step

Recall the exponent rules: $x^ax^b=x^{a+b}$ $\dfrac{x^a}{x^b}=x^{a-b}$ We simplify as follows: $$ \frac{(62.3\times10^{3})(4.18\times10^{-5})}{(17.3\times10^{-4})^2}=\frac{(62.3 )(4.18)\times10^{-2}}{299.29\times10^{-8}}=0.87 \times 10^6\\ =8.70 \times 10^5 .$$
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