Order of Operations:
Step 1: Evaluate expressions inside grouping symbols.
Step 2: Evaluate all powers.
Step 3: Do al lmultiplications and/or divisions from left to right
Step 4: Do all additions and/or subtractions from left to right.
Please Excuse My Dear Aunt Sally
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
Example 1: Evaluate each expression
A. 6 + 4 - 2 * 3
B. 48 / 2³ + 5
C. (8-3) - 3(3 + 2)
D. 4[12 / (6-2)]²
E. (2^5 - 6*2)/(3³ - 5*3 - 2)
Example 2: Evaluate 2(x² - y) + z² if x = 4, y = 3, and z = 2.
Homework: p13 1, 3, 16 � 26, 30 � 35, 54, 56, 60/p>