Question

Which power does this expression simplify to?
[(7^5)(7^3)]^-4

Answer 1

7^-32

Explanation:

[(7^5)(7^3)]^-4

We know that a^b * a^c = a^(b+c)

[(7^5+3)]^-4

[(7^8)]^-4

We know that a^b^c = a^(b*c)

7^ (8*-4)

7^-32