Question

(0,5а^4/b)^2(0,5a^4/b)^3

Answer 1

(0,5а^4/b)^2(0,5a^4/b)^3=(0,5a^4/b)^5=(1/2a^4/b)^5=(a^4/2/b)^5=(a^4/2b)^5=a^20/32b^5