$$\{(\frac{2}{5})^{4}\}^{2}+(\frac{2}{5})^{2}]\times(\frac{1}{2})^{-2}\times(2)^{-1}\times(\frac{1}{4})^{-1}$$
$\frac{62756}{390625}=0.16065536$
$$\left(\frac{2}{5}\right)^{8}+\left(\frac{2}{5}\right)^{2}$$
$$\frac{256}{390625}+\left(\frac{2}{5}\right)^{2}$$
$$\frac{256}{390625}+\frac{4}{25}$$
$$\frac{62756}{390625}$$
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$\frac{2 ^ {2} \cdot 29 \cdot 541}{5 ^ {8}} = 0.16065536$