$$(\frac{6}{8})^{6}\times(\frac{8}{6})^{5}+(\frac{6}{8})^{2}$$
$\frac{21}{16}=1.3125$
$$\left(\frac{3}{4}\right)^{6}\times \left(\frac{8}{6}\right)^{5}+\left(\frac{6}{8}\right)^{2}$$
$$\frac{729}{4096}\times \left(\frac{8}{6}\right)^{5}+\left(\frac{6}{8}\right)^{2}$$
$$\frac{729}{4096}\times \left(\frac{4}{3}\right)^{5}+\left(\frac{6}{8}\right)^{2}$$
$$\frac{729}{4096}\times \frac{1024}{243}+\left(\frac{6}{8}\right)^{2}$$
$$\frac{3}{4}+\left(\frac{6}{8}\right)^{2}$$
$$\frac{3}{4}+\left(\frac{3}{4}\right)^{2}$$
$$\frac{3}{4}+\frac{9}{16}$$
$$\frac{21}{16}$$
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$\frac{3 \cdot 7}{2 ^ {4}} = 1\frac{5}{16} = 1.3125$
