,

Multiply by .

Raise to the power of .

Divide by .

Add and .

Multiply by .

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) 8 , 0(1+(0.145^(2(3)))/2)