College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter P - Summary, Review, and Test - Test - Page 91: 12



Work Step by Step

Divide the top by the bottom, and divide the exponents by subtracting them. Then move the decimal point to after the ones place and write in the appropriate exponent after the move. $\frac{5\times10^{-6}}{20\times10^{-8}}$ $0.25\times10^{(-6-(-8))}$ $0.25\times10^{2}$ $2.5\times10^1$
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