Simplify (8/3)^-2

${(\frac{8}{3})}^{- 2}$

Change the sign of the exponent by rewriting the base as its reciprocal.

${(\frac{3}{8})}^{2}$

Apply the product rule to $\frac{3}{8}$ .

$\frac{3^{2}}{8^{2}}$

Raise $3$ to the power of $2$ .

$\frac{9}{8^{2}}$

Raise $8$ to the power of $2$ .

$\frac{9}{64}$

The result can be shown in multiple forms.

Exact Form:

$\frac{9}{64}$

Decimal Form:

$0.140625$