Answer
$\dfrac{1}{y^7}$
Work Step by Step
Using $x^{-a}=\dfrac{1}{x^a}$, the given expression, $
y^{-7}
,$ simplifies to
\begin{array}{l}\require{cancel}
\dfrac{1}{y^7}
.\end{array}
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 4 - Polynomials - Test: Chapter 4 - Page 300: 9
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