Evaluate
\frac{9}{49}\approx 0.183673469
Factor
\frac{3 ^ {2}}{7 ^ {2}} = 0.1836734693877551
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\left(1-\frac{4}{7}\right)^{2}
Rewrite the square root of the division \frac{16}{49} as the division of square roots \frac{\sqrt{16}}{\sqrt{49}}. Take the square root of both numerator and denominator.
\left(\frac{3}{7}\right)^{2}
Subtract \frac{4}{7} from 1 to get \frac{3}{7}.
\frac{9}{49}
Calculate \frac{3}{7} to the power of 2 and get \frac{9}{49}.
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