Exercise 89 Page 13

According to the order of operations, expressions inside parentheses are evaluated first. For the given expression, this means evaluating the expression inside the square brackets completely before raising to the power.

[(2)^3]^2 For this, we must remember to evaluate the inner exponent first and then the outer exponent.

Operation	Before Simplification	After Simplification
Calculate power	[(2)^3]^2	[ 8]^2
Calculate power	[8]^2	64

The expression equals 64.

Alternative Solution

Using a Calculator

We can also evaluate this expression using a calculator. To do so, type it as shown below.