$$( i i ) ( - \frac { 2 } { 7 } ) ^ { 3 } \times \frac { 343 } { 64 }$$
$\frac{1}{8}=0.125$
$$-\left(-\frac{2}{7}\right)^{3}\times \frac{343}{64}$$
$$-\left(-\frac{8}{343}\right)\times \frac{343}{64}$$
$$\frac{8}{343}\times \frac{343}{64}$$
$$\frac{8\times 343}{343\times 64}$$
$$\frac{8}{64}$$
$$\frac{1}{8}$$
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$\frac{1}{8} = 0.125$
$$Re(-\left(-\frac{2}{7}\right)^{3}\times \frac{343}{64})$$
$$Re(-\left(-\frac{8}{343}\right)\times \frac{343}{64})$$
$$Re(\frac{8}{343}\times \frac{343}{64})$$
$$Re(\frac{8\times 343}{343\times 64})$$
$$Re(\frac{8}{64})$$
$$Re(\frac{1}{8})$$
