Question 257300
{{{(1/27)^(2/3)=(root(3,1/27))^2=(1/3)^2=1/9}}}



So {{{(1/27)^(2/3)=1/9}}}




{{{16^(-3/4)^""=(root(4,16))^(-3)=2^(-3)=1/2^3=1/8}}}



So {{{16^(-3/4)^""=1/8}}}