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Power Rules
Grade Level
GMAT
Q.087 Power Rules
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For nonzero r and s, which expression is equivalent to (r^-2s
5
)
3
with positive exponents?
A
r
6s
15
B
(s
8
)/(r
7
)
C
(s
5
)/(r
2
)
D
(s
15
)/(r
6
)
E
(r
5
)/(s
8
)
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