Respuesta :

The answer is A because 9 x 9 x 9 = 729. The exponent above the 9 means to multiply the base (9) 3 times. 
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.)