Question 849068
(4a)^3(4^2a^5)^2



(4^3)*(a)^3(4^2)^2(a^5)^2



(4^3)*(a)^3*4^(2*2)*a^(5*2)



64*a^3*4^4*a^(10)



64*a^3*256*a^(10)



(64*256)*a^3*a^(10)



16384*a^3*a^(10)



16384*a^(3+10)



<font size=4 color="red">16384a^(13)</font>