Evaluate
\frac{\sqrt{7}}{9}\approx 0.293972368
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\sqrt{\frac{7}{81}}
Calculate 9 to the power of 2 and get 81.
\frac{\sqrt{7}}{\sqrt{81}}
Rewrite the square root of the division \sqrt{\frac{7}{81}} as the division of square roots \frac{\sqrt{7}}{\sqrt{81}}.
\frac{\sqrt{7}}{9}
Calculate the square root of 81 and get 9.
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