Evaluate
\frac{1}{104857600000000000000000000}=9.536743164 \cdot 10^{-27}
Factor
\frac{1}{2 ^ {40} \cdot 5 ^ {20}} = 9.536743164062498 \times 10^{-27}
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\frac{1}{104857600000000000000000000}
Calculate 20 to the power of -20 and get \frac{1}{104857600000000000000000000}.
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