How to solve this problem. Steps please.

(4ah^2)^3(ah)^5

if all you want to do is expand the factors, then recall that

(x^m)^n = x^(mn)

so, that gives you

(4ah^2)^3(ah)^5
= 4^3 a^3 h^6 a^5 h^5
= 64 a^8 h^11