Question

how do i do this?

64 negative cubed divided by 4 to the negative fifth.

the answer is 1/256.

Answer 1

64^-3/4^5 = 4^5/64^3 = 4^2*(4/64)^3
= 16*(1/16)^3 = 1/16^2 =1/256

Answer 2

Is that the only way to do the problem? Thanks so much