Evaluate
\frac{1}{36000000000\pi }\approx 8.841941283 \cdot 10^{-12}
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\frac{1}{36\pi \times 10^{9}}
Multiply 4 and 9 to get 36.
\frac{1}{36\pi \times 1000000000}
Calculate 10 to the power of 9 and get 1000000000.
\frac{1}{36000000000\pi }
Multiply 36 and 1000000000 to get 36000000000.
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Simultaneous equation
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