Evaluate
\frac{200\sqrt{5}}{179}\approx 2.498399975
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\frac{2\sqrt{5}}{1.79}
Factor 20=2^{2}\times 5. Rewrite the square root of the product \sqrt{2^{2}\times 5} as the product of square roots \sqrt{2^{2}}\sqrt{5}. Take the square root of 2^{2}.
\frac{200}{179}\sqrt{5}
Divide 2\sqrt{5} by 1.79 to get \frac{200}{179}\sqrt{5}.
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