Precalculus Examples

$2^{\frac{8}{7}}$

Step 1

Apply the rule $x^{\frac{m}{n}} = \sqrt[n]{x^{m}}$ to rewrite the exponentiation as a radical.

$\sqrt[7]{2^{8}}$

Step 2

The result can be shown in multiple forms.

Exact Form:

$\sqrt[7]{2^{8}}$

Decimal Form:

$2.20817902 \dots$