# How do you simplify 4^(-1/2)?

$\frac{1}{2}$
Given, ${4}^{- \frac{1}{2}} = \frac{1}{{4}^{\frac{1}{2}}} = \frac{1}{{2}^{2}} ^ \left(\frac{1}{2}\right) = \frac{1}{2} ^ 1 = \frac{1}{2}$