Evaluate
\frac{21143}{500e^{0.881792}}\approx 17.508107546
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42.286e^{-\frac{1.763584}{2}}
Calculate 1.328 to the power of 2 and get 1.763584.
42.286e^{-\frac{1763584}{2000000}}
Expand \frac{1.763584}{2} by multiplying both numerator and the denominator by 1000000.
42.286e^{-\frac{13778}{15625}}
Reduce the fraction \frac{1763584}{2000000} to lowest terms by extracting and canceling out 128.
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