Evaluate
\frac{1}{152587890625}=6.5536 \cdot 10^{-12}
Factor
\frac{1}{5 ^ {16}} = 6.5536 \times 10^{-12}
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\frac{1}{5^{16}}
Rewrite 5^{20} as 5^{4}\times 5^{16}. Cancel out 5^{4} in both numerator and denominator.
\frac{1}{152587890625}
Calculate 5 to the power of 16 and get 152587890625.
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