Simplify the Radical Expression fourth root of 81^3

$\sqrt[4]{81^{3}}$

Step 1

Raise $81$ to the power of $3$ .

$\sqrt[4]{531441}$

Step 2

Rewrite $531441$ as $27^{4}$ .

$\sqrt[4]{27^{4}}$

Step 3

Pull terms out from under the radical.

$| 27 |$

Step 4

The absolute value is the distance between a number and zero. The distance between $0$ and $27$ is $27$ .

$27$