Respuesta :

x to the power of two thirds 
wuzzleluver
x^(1/2)=√(x)
so, following that logic
x^(2/3)=the third root√(x^2)

x^(y/z)the bottom of the fraction is the power of the root. (zth root√(x^y))the top is the power that x is raised inside the zth root.