simplify 20e^{-3}

Solution

simplify

20 e^{- 3}

\frac{20}{e ^{3}}

Decimal Notation

0.99574 \dots

Solution steps

20 e^{- 3}

Apply exponent rule:

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

= 20 \cdot \frac{1}{e ^{3}}

Multiply fractions:

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

= \frac{1 \cdot 20}{e ^{3}}

Multiply the numbers:

1 \cdot 20 = 20

= \frac{20}{e ^{3}}

e^{x} e^{\frac{1}{y}}

\frac{( 3 x - 2 ) ^{2}}{x ^{2}}

\frac{( - 4 ) ^{3}}{2 ^{3}}

(4.70 1^{10}) (1.30 1^{- 3})

(1.6 \cdot 1 0^{- 19}) (800)