Question 65606
Simplify and all exponents should be positive.

4x^3*(3y)^4
{{{4x^3*(3^4*y^4)}}}
{{{4x^3*(81y^4)}}}
{{{4*81x^3*y^4}}}
{{{highlight(324x^3*y^4)}}}

(2^-1a^2b)^-3
---------------
4a^-9
{{{(2^(-1)*a^2*b)^(-3)/(4a^(-9))}}}
{{{2^(-1(-3))a^(2(-3))b^(-3)/(4a^(-9))}}}
{{{2^3*a^(-6)b^(-3)/(4a^(-9))}}}
{{{8a^(-6-(-9))/4b^3}}}
{{{8a^3/4b^3}}}
{{{highlight(2a^3/b^3)}}}
Happy Calculating!!!