Evaluate 80e^(-0.4(1))+20 - Math help

Math

$80 e^{- 0.4 (1)} + 20$

Multiply $- 0.4$ by $1$ .

$80 e^{- 0.4} + 20$

Rewrite the expression using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$80 \frac{1}{e^{0.4}} + 20$

Combine $80$ and $\frac{1}{e^{0.4}}$ .

$\frac{80}{e^{0.4}} + 20$

The result can be shown in multiple forms.

Exact Form:

$\frac{80}{e^{0.4}} + 20$

Decimal Form:

$73.62560368 \dots$

Evaluate 80e^(-0.4(1))+20

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