Question

Simplify the following expression
(9^4)^3 × 9^7

Answer 1

9^12X9^7= 9^19

Answer 2

When you raise a power to a power you multiply the two powers together, additionally, when you have two numbers raised to a power and their base number is the same, you simply add the two indices. :)

Answer 3

Thanks @thomasj and @chaise for the helppp :)