,

Rewrite as .

Apply the power rule and multiply exponents, .

Cancel the common factor.

Rewrite the expression.

Raising to any positive power yields .

The mean of a set of numbers is the sum divided by the number of terms.

Factor out of .

Factor out of .

Factor out of .

Cancel the common factors.

Factor out of .

Cancel the common factor.

Rewrite the expression.

Divide by .

Add and .

Find the Mean (Arithmetic) 30 , 0^(5/2)