Question 1103732
{{{(8a^6*b^(-9))^(2/3)=8^(2/3)*a^(6*(2/3))*b^(-9*(2/3))}}}
{{{(8a^6*b^(-9))^(2/3)=4*a^(4)*b^(-6))}}}
{{{(8a^6*b^(-9))^(2/3)=highlight((4a^4)/b^6)}}}