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I need help with this one

I need help with this one-example-1
User Comatose Turtle
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I believe the answer would be A. 729 because 9 • -9 = -81 • -9 = 729. (A positive times a negative equals a negative, and a negative times a negative is a positive.)
User Mehedi Hasan Siam
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2 votes
The answer is A because 9 x 9 x 9 = 729. The exponent above the 9 means to multiply the base (9) 3 times. 
User Desislav Kamenov
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7.6k points
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