simplify 9*e^{-2}

Solution

simplify

9 \cdot e^{- 2}

\frac{9}{e ^{2}}

Decimal Notation

1.21801 \dots

Solution steps

9 e^{- 2}

Apply exponent rule:

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

= 9 \cdot \frac{1}{e ^{2}}

Multiply fractions:

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

= \frac{1 \cdot 9}{e ^{2}}

Multiply the numbers:

1 \cdot 9 = 9

= \frac{9}{e ^{2}}

\frac{1}{8} e^{2 x} (e^{x})

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