Question

hello please help me solve this. I don’t rmeber this.

Answer 1

Simplify the given expression as shown below

$(-64)^{\frac{2}{3}}=(-4^3)^{\frac{2}{3}}=(((-4^3))^2)^{\frac{1}{3}}=(4^6)^{\frac{1}{3}}=(4)^{\frac{6}{3}}=(4)^2=16$

Therefore, the answer is 16, option D.