Answer
1/9n
Work Step by Step
Recall the equation: $a^{-n}= \frac{1}{a^{n}}$. Thus, we simplify this expression and solve:
$\frac{3^{-2}}{n}=\frac{1}{n \times 3^{2}}=1/9n$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 7 - Exponents and Exponential Functions - 7-1 Zero and Negative Exponents - Practice and Problem-Solving Exercises - Page 421: 25
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