Elementary Algebra

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

Chapter 5 - Exponents and Polynomials - Chapter 5 Review Problem Set - Page 231: 71



Work Step by Step

Using the laws of exponents, the given expression, $ (2n^{-1})^{-3} ,$ simplifies to \begin{array}{l}\require{cancel} 2^{-3}n^{-1(-3)} \\\\= 2^{-3}n^{3} \\\\= \dfrac{n^{3}}{2^3} \\\\= \dfrac{n^{3}}{8} .\end{array}
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