# Chapter 9 - Basic Algebra - 9.4 Order of Operations - 9.4 Exercises: 27

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#### Work Step by Step

Step 1: Check for parentheses. None Step 2: Apply the exponent $(-3)^{2}$= -3 * -3 = 9 9 ÷ 9 + (-1) Step 3: Multiplication and division from left to right 9 ÷ 9 = 1 Step 4 : now add 1 + (-1) = 0

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