$$\{ ( \frac { 3 } { 5 } ) ^ { - 2 } \} ^ { - 2 }$$
$\frac{81}{625}=0.1296$
$$\left(\left(\frac{3}{5}\right)^{-2}\right)^{-2}$$
$$\left(\frac{3}{5}\right)^{-2\left(-2\right)}$$
$$\left(\frac{3}{5}\right)^{4}$$
$$\frac{81}{625}$$
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$\frac{3 ^ {4}}{5 ^ {4}} = 0.1296$
