What is e^{-20}*(20!)/(13!) ?

The solution to e^{-20}*(20!)/(13!) is (390700800)/(e^{20)}

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simplify e^{-20}*(20!)/(13!)

simplify

e^{- 20} \cdot \frac{20 !}{13 !}

\frac{390700800}{e ^{20}}

Decimal Notation

0.80529 \dots

Solution steps

e^{- 20} \frac{20 !}{13 !}

Apply exponent rule:

a^{- b} = \frac{1}{a ^{b}}

= \frac{20 !}{13 !} \cdot \frac{1}{e ^{20}}

\frac{20 !}{13 !} = 390700800

= 390700800 \cdot \frac{1}{e ^{20}}

Multiply fractions:

a \cdot \frac{b}{c} = \frac{a \cdot b}{c}

= \frac{1 \cdot 390700800}{e ^{20}}

Multiply the numbers:

1 \cdot 390700800 = 390700800

= \frac{390700800}{e ^{20}}

((x + 1) (x + 2))^{2}

- \frac{11}{10}

e^{- 2 t u (t)}

2 \cdot 4.10227 \cdot 1 0^{- 20}

(6.59 x 1 0^{2}) (6.0065 x 1 0^{3})

What is e^{-20}*(20!)/(13!) ?
The solution to e^{-20}*(20!)/(13!) is (390700800)/(e^{20)}