Answer
$-9$
Work Step by Step
Using the properties of exponents, the correct right side of the given incorrect equation, $
-3^2=9
,$ is
\begin{array}{l}\require{cancel}
-(3)^2
\\\\=
-(9)
\\\\=
-9
.\end{array}
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter R - Review Exercises - Page 76: 118
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