Elementary Algebra

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

Chapter 5 - Exponents and Polynomials - Chapters 1-5 Cumulative Review Problem Set - Page 233: 7



Work Step by Step

An exponent of $-1$ over the whole fraction means that we flip the numerator and the denominator: $(\frac{2}{3})^{-1}=\frac{2^{-1}}{3^{-1}}=\frac{3}{2}$
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