Question 952933

{{{27^(-2/3) / 27^(-1/3)}}} 


{{{(1/27^(2/3)) /(1/ 27^(1/3))}}} 


{{{27^(1/3)/27^(2/3)}}} 


{{{27^(1/3-2/3)}}} 


{{{27^(-1/3)}}}


{{{1/27^(1/3)}}}


or


{{{1/root(3,27)}}}


{{{1/root(3,3^3)}}}


{{{1/3}}}