Simplify 4^(-2/3)

$4^{\frac{- 2}{3}}$

Move the negative in front of the fraction.

$4^{- \frac{2}{3}}$

Rewrite the expression using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$\frac{1}{4^{\frac{2}{3}}}$

The result can be shown in multiple forms.

Exact Form:

$\frac{1}{4^{\frac{2}{3}}}$

Decimal Form:

$0.39685026 \dots$