Question 748127
{{{(8a^-1)^3(a^2)^-3}}}


{{{(8(1/a))^3(1/(a^2)^3)}}}


{{{(8^3/a^3)(1/a^(2*3))}}}


{{{(512/a^3)(1/a^6)}}}


{{{512/(a^6a^3)}}}


{{{512/a^9}}}