Precalculus Examples

$3 e^{- 1}$

Step 1

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

$3 \frac{1}{e}$

Step 2

Combine $3$ and $\frac{1}{e}$ .

$\frac{3}{e}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\frac{3}{e}$

Decimal Form:

$1.10363832 \dots$