Question

Help on this ALGEBRA QUESTIONS !!!

Answer 1

Note that $x^{\frac{1}{2}}=\sqrt[2]{x}$

Which means that:

$512^{\frac{1}{2}}=\sqrt[2]{512}=\sqrt[2]{16^2\cdot2}=\boxed{16\sqrt[2]{2}}$

the answer is B.

Hope this helps.

r3t40