Evaluate
\frac{3\sqrt{35}}{7}\approx 2.535462764
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\frac{3\sqrt{5}\sqrt{7}}{\left(\sqrt{7}\right)^{2}}
Rationalize the denominator of \frac{3\sqrt{5}}{\sqrt{7}} by multiplying numerator and denominator by \sqrt{7}.
\frac{3\sqrt{5}\sqrt{7}}{7}
The square of \sqrt{7} is 7.
\frac{3\sqrt{35}}{7}
To multiply \sqrt{5} and \sqrt{7}, multiply the numbers under the square root.
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