Evaluate
\frac{1}{1530000\pi ^{2}}\approx 0.000000066
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\frac{1}{4\pi ^{2}\times 22500\times 17}
Calculate 150 to the power of 2 and get 22500.
\frac{1}{90000\pi ^{2}\times 17}
Multiply 4 and 22500 to get 90000.
\frac{1}{1530000\pi ^{2}}
Multiply 90000 and 17 to get 1530000.
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