Evaluate
\frac{215\sqrt{131}}{36}\approx 68.355207655
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\frac{77.4\sqrt{131}}{12.96}
Calculate 3.6 to the power of 2 and get 12.96.
\frac{215}{36}\sqrt{131}
Divide 77.4\sqrt{131} by 12.96 to get \frac{215}{36}\sqrt{131}.
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