Evaluate
2\sqrt{7}\approx 5.291502622
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\frac{14}{\sqrt{7}}
Subtract 2 from 16 to get 14.
\frac{14\sqrt{7}}{\left(\sqrt{7}\right)^{2}}
Rationalize the denominator of \frac{14}{\sqrt{7}} by multiplying numerator and denominator by \sqrt{7}.
\frac{14\sqrt{7}}{7}
The square of \sqrt{7} is 7.
2\sqrt{7}
Divide 14\sqrt{7} by 7 to get 2\sqrt{7}.
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