Answer
25
Work Step by Step
When we divide exponents with the same base, we subtract the exponents. Then evaluate.
$5^{9-7}$
$5^2$
= 25
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 - Section R.6 - Rational Exponents - R.6 Exercises - Page 56: 16
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