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: 53



Work Step by Step

Using the laws of exponents, the given expression, $ (3x^{-4})^{2} $, is equivalent to \begin{array}{l} 3^{2}x^{-4(2)} \\\\= 9x^{-8} \\\\= \dfrac{9}{x^{8}} .\end{array}
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