Question

need to simplify. Exponetial notation with positive exponents
(9^9)^7

Answer 1

\[(a^x)^y = a^{xy}\]

Answer 2

That help?

Answer 3

(9^9)^7=9^97??

Answer 4

No, no. when you see "xy" that means "x times y"

Answer 5

9^56?

Answer 6

How did you get 56?

Answer 7

i meant 9^63

Answer 8

wait, im messing up

Answer 9

That's correct:
\[(9^9)^7 = 9^{9*7} = 9^{63}\]

Answer 10

i second guessed myself

Answer 11

so it is 9^63

Answer 12

That's correct.

Answer 13

Thank You!

Answer 14

Np