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To evaluate the expression (-m)^-3n when m = 2 and n = -24, we substitute the values into the expression and simplify:
(-m)^-3n = (-2)^-3(-24)
First, let's simplify the exponent:
(-2)^-3 = 1/(-2)^3
= 1/(-8)
= -1/8
Now substitute this back into the original expression:
(-m)^-3n = (-1/8)(-24)
= 3
Therefore, the answer is:
a) 3