Exercise 1 Page 1

According to the order of operations, expressions inside parentheses are evaluated first, and addition and subtraction are evaluated last.

5*2^3+7 For this problem, we must remember to evaluate the exponent first, multiplication next, and finally the sum.

Operation	Before Simplification	After Simplification
Calculate power	5*2 ^3+7	5* 8+7
Multiply	5*8+7	40+7
Add terms	40+7	47

The expression equals 47.

Alternative Solution

Using a Calculator

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