Which of the following is the exponential form of 9 x 9 x 9?

Choose the best answer from the options below:
A 729
B 81
C 93
D 9

The exponential form of 9 x 9 x 9 is 9^3.

So, the answer is D) 9^3.

The exponential form of 9 x 9 x 9 can be found by writing it as 9^3.

Therefore, the correct answer is A) 729.