Evaluate
\frac{1}{12157665459056928801}\approx 8.22526334 \cdot 10^{-20}
Factor
\frac{1}{3 ^ {40}} = 8.22526333996996 \times 10^{-20}
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\frac{1}{9^{20}}
Rewrite 9^{24} as 9^{4}\times 9^{20}. Cancel out 9^{4} in both numerator and denominator.
\frac{1}{12157665459056928801}
Calculate 9 to the power of 20 and get 12157665459056928801.
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