Question 200415
{{{(2a^3b)^4(2a^5b^6)^2}}}
{{{(2^4*a^12*b^4) * (2^2*a^10*b^12)}}}
{{{2^6 *a^22 *b^16}}}
{{{64a^22b^16}}}

http://www91.wolframalpha.com/input/?i=(2a^3b)^4(2a^5b^6)^2