Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 7 - Algebraic Fractions - Chapters 1-7 Cumulative Review Problem Set: 10

Answer

$\frac{3}{2}$

Work Step by Step

Recall the rule: $x^{-n}=\frac{1}{x^{n}}$ We first rearrange the expression into a form that doesn't contain any negative exponents, and then we solve the expression. $(\frac{2}{3})^{-1}=\frac{2^{-1}}{3^{-1}}=\frac{3}{2}$
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