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 R - Elementary Algebra Review - R.4 Polynomials - R.4 Exercise Set: 20

Answer

$x^{-21}$

Work Step by Step

Using the laws of exponents, we multiply the exponents in the given expression: $ (x^3)^{-7} $ \begin{array}{l}\require{cancel} x^{3(-7)} \\\\= x^{-21} \\\\ =1/x^{21} \end{array}
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