Evaluate
\frac{1}{62500000000000000000000}=1.6 \cdot 10^{-23}
Factor
\frac{1}{2 ^ {20} \cdot 5 ^ {24}} = 1.6000000000000003 \times 10^{-23}
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16\times \frac{1}{1000000000000000000000000}
Calculate 10 to the power of -24 and get \frac{1}{1000000000000000000000000}.
\frac{1}{62500000000000000000000}
Multiply 16 and \frac{1}{1000000000000000000000000} to get \frac{1}{62500000000000000000000}.
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