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Exponents & Radicals
hard
0:00.0
Simplify
3
−
2
3^{-2}
3
−
2
.
A
9
9
9
B
1
9
\dfrac{1}{9}
9
1
C
1
6
\dfrac{1}{6}
6
1
D
−
9
-9
−
9
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