Question

X Ke power2/3 is equal to 7

Answer 1

$\huge \bf {x}^{ \frac{2}{3} } = 7 \\ \\ \\ \sf \sqrt[3]{ {x}^{2} } = 7$

Cubing both sides, we get,

$\sf {x}^{2} = 343 \\ \\ \sf x = \sqrt{343} = \red{ 7 \sqrt{7} }$