Answer
$r$
Work Step by Step
Add the exponents of y and simplify.
$r^{\frac{-8}{9}}\cdot{r}^{\frac{17}{9}}=r^{\frac{9}{9}}=r^1=r$
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 57: 62
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