Question

Which expression is equivelent to 4^4 x 4^-9?

4^13

4^5

1/4^13

1/4^5

Answer 1

4^4 * 4^-9 =
4^(4 - 9) =
4^-5 =
1/(4^5)

Answer 2

4^4 * 4^-9
Combine the exponents
4^(4 - 9)
Simplify
4^-5
1/1024 = 1/4^5