Asked by Deborah

what is (-m)^-3n if m=2 and n=-24?

A.)3
B.)-3
C.)4
D.)-4

my answer is b.

thank you.
Answered by Steve
(A)

(-2)^-3 = -1/8
Answered by Deborah
see I did it again with the - sign? I am in trouble if I don't figure that out.
Answered by Steve
the reason the - comes out here is because odd powers of negative numbers are negative.
Answered by Deborah
ok ...thank you
Answered by Anonymous
correct thanks
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