Question

Write in index form
9 x 9 x 4 x 4 x 4 x 9 x 9 x 9

Answer 1

`9^(5)` × 4³

Explanation:

9 is multiplied by itself 5 times and 4 is multiplied by itself 3 times.

This is expressed in index form as

`9^(5)` × 4³

Answer 2

9^5×4^3

Explanation:

9 has to multiply itself 5 times and 4 has to multiply itself 3 times