Question 177252
{{{a^2(ab^2)^2=a^2(a^1*b^2)^2=a^2(a^(1*2)b^(2*2))=a^2(a^2*b^4)=a^(2+2)*b^4=a^4*b^4}}}



So {{{a^2(ab^2)^2=a^4*b^4}}}