$$4^{2}+(\frac{1}{2})^{4}$$
$\frac{257}{16}=16.0625$
$$16+\left(\frac{1}{2}\right)^{4}$$
$$16+\frac{1}{16}$$
$$\frac{256}{16}+\frac{1}{16}$$
$$\frac{256+1}{16}$$
$$\frac{257}{16}$$
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$\frac{257}{2 ^ {4}} = 16\frac{1}{16} = 16.0625$
