Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 4 - Polynomials - 4.2 Negative Exponents and Scientific Notations - 4.2 Exercise Set - Page 244: 18

Answer

$\dfrac{1}{81}$

Work Step by Step

Using $a^{-x}=\dfrac{1}{a^x}$, the given expression, $ (-3)^{-4} $, is equivalent to \begin{array}{l} \dfrac{1}{(-3)^4} \\\\= \dfrac{1}{81} .\end{array}
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