Evaluate
202\sqrt{5}\approx 451.685731455
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\frac{1515}{15}\sqrt{20}
Expand \frac{1.515}{0.015} by multiplying both numerator and the denominator by 1000.
101\sqrt{20}
Divide 1515 by 15 to get 101.
101\times 2\sqrt{5}
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}.
202\sqrt{5}
Multiply 101 and 2 to get 202.
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