Evaluate
\frac{57}{25e^{1.25}}\approx 0.653230937
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2.28e^{-\frac{4.8}{3.84}}
Multiply 3 and 1.6 to get 4.8.
2.28e^{-\frac{480}{384}}
Expand \frac{4.8}{3.84} by multiplying both numerator and the denominator by 100.
2.28e^{-\frac{5}{4}}
Reduce the fraction \frac{480}{384} to lowest terms by extracting and canceling out 96.
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