Ratio and Proportion, Indices, Logarithms

Exercise 1C Question 15

Is x^(2/3) = sqrt[3]({x}^2) or is x^(2/3) = sqrt[2]({x}^3) or is x^(2/3) > sqrt[3]({x}^2) is or is x^(2/3) < sqrt[3]({x}^2)