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Popular >

simplify (7-9)e^{-9}

Solution

simplify

(7 - 9) e^{- 9}

Solution

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

+1

Decimal Notation

- 0.00024 \dots

Solution steps

(7 - 9) e^{- 9}

Apply exponent rule:

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

= \frac{1}{e ^{9}} (7 - 9)

Subtract the numbers:

7 - 9 = - 2

= (- 2) \frac{1}{e ^{9}}

Remove parentheses:

(- a) = - a

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

Multiply fractions:

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

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

Multiply the numbers:

1 \cdot 2 = 2

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

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Frequently Asked Questions (FAQ)

What is (7-9)e^{-9} ?
The solution to (7-9)e^{-9} is -2/(e^9)