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McGraw Hill Glencoe Algebra 1, 2012

MH

McGraw Hill Glencoe Algebra 1, 2012 View details

2. Order of Operations

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Exercise 18 Page 13

Pay close attention to the order of operations.

11

Practice makes perfect

According to the order of operations, expressions are evaluated in the following order: parentheses, exponents, multiplication and division, then addition and subtraction.

35-3*8 For the given expression, this means multiplying before subtracting.

Operation	Before Simplification	After Simplification
Multiply	35- 3*8	35- 24
Subtract term	35-24	11

The expression equals 11.

Alternative Solution

Using a Calculator

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

Subchapter links

Check Your Understanding p.12

Practice and Problem Solving p.13-14

H.O.T. Problems p.14

Standardized Test Practice p.15

Spiral Review p.15

Skills Review p.15