Evaluate y=e^-2

$y = e^{- 2}$

Step 1

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

$y = \frac{1}{e^{2}}$

Step 2

The result can be shown in multiple forms.

Exact Form:

$y = \frac{1}{e^{2}}$

Decimal Form:

$y = 0.13533528 \dots$