Evaluate
\frac{9\sqrt{115}}{115}\approx 0.839254327
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\frac{4.5\times 2}{\sqrt{115}}
Divide 4.5 by \frac{\sqrt{115}}{2} by multiplying 4.5 by the reciprocal of \frac{\sqrt{115}}{2}.
\frac{9}{\sqrt{115}}
Multiply 4.5 and 2 to get 9.
\frac{9\sqrt{115}}{\left(\sqrt{115}\right)^{2}}
Rationalize the denominator of \frac{9}{\sqrt{115}} by multiplying numerator and denominator by \sqrt{115}.
\frac{9\sqrt{115}}{115}
The square of \sqrt{115} is 115.
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