Evaluate
\frac{5\sqrt{251}}{1004}\approx 0.0788993
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\frac{5\sqrt{251}}{4\left(\sqrt{251}\right)^{2}}
Rationalize the denominator of \frac{5}{4\sqrt{251}} by multiplying numerator and denominator by \sqrt{251}.
\frac{5\sqrt{251}}{4\times 251}
The square of \sqrt{251} is 251.
\frac{5\sqrt{251}}{1004}
Multiply 4 and 251 to get 1004.
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