Question

simplify the following ​

Answer 1

16777216

is it correct ?

Answer 2

$\sqrt[4]{x} = x{}^{ \frac{1}{3} } \\ \\ \\ ((( {2}^{2} ) {}^{ \frac{1}{3} } ) {}^{ \frac{1}{4} } \\ \\ multiply \: outer \: powers \\ \\ ((2 ^{2} ) {}^{ \frac{1}{12} } \\ \\ \\ again \: multiply \: powers \\ \\ (2) {}^{ \frac{1}{6} } \: \: \: or \: \: \: \sqrt[6]{2}$