Evaluate
3\sqrt{13}\approx 10.816653826
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\frac{39\sqrt{13}}{\left(\sqrt{13}\right)^{2}}
Rationalize the denominator of \frac{39}{\sqrt{13}} by multiplying numerator and denominator by \sqrt{13}.
\frac{39\sqrt{13}}{13}
The square of \sqrt{13} is 13.
3\sqrt{13}
Divide 39\sqrt{13} by 13 to get 3\sqrt{13}.
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