Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 7 - Exponents and Exponential Functions - 7-4 Division Properties of Exponents - Practice and Problem-Solving Exercises - Page 443: 41



Work Step by Step

You have ($\frac{2}{5}$$)^{-1}$.Simplify: ($\frac{2}{5}$$)^{-1}$ -apply exponent rule ($\frac{a}{b}$$)^{-1}$=$\frac{1}{a/b}$=$\frac{b}{a}$- =$\frac{5}{2}$
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