$$3/4/8 { \left( \sqrt{ 5 } \right) }^{ 2 }$$
$\frac{15}{32}=0.46875$
$$\frac{3}{4\times 8}\left(\sqrt{5}\right)^{2}$$
$$\frac{3}{32}\left(\sqrt{5}\right)^{2}$$
$$\frac{3}{32}\times 5$$
$$\frac{15}{32}$$
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$\frac{3 \cdot 5}{2 ^ {5}} = 0.46875$
