Evaluate
\frac{\sqrt{2}}{9}\approx 0.15713484
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\frac{\sqrt{2}}{\sqrt{81}}
Rewrite the square root of the division \sqrt{\frac{2}{81}} as the division of square roots \frac{\sqrt{2}}{\sqrt{81}}.
\frac{\sqrt{2}}{9}
Calculate the square root of 81 and get 9.
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