Please Excuse My Dear Aunt Sally
Order of Operations
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Please Excuse My Dear Aunt Sally, Study notes of Mathematics
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Please Excuse My Dear Aunt Sally
Order of Operations
Please Excuse My Dear Aunt Sally Order of Operations Order of Operation: Simplify numerical expressions using the following order: Parentheses (if an operation is shown inside parenthesis) Exponents and roots Multiplications and Divisions (in order from left to right) Additions and Subtractions (in order from left to right) Please Excuse My Dear Aunt Sally: Example 1: Simplify 4+3-2= Solution: 4+6= 10 Example 2: — Simplify (24-18)-6= Solution: (6) - (6) = 36 Example 3: — Simplify: ~A(-2) - 5(-3) = Solution: 8+15= 23 Example 4: — Simplify: 3(5-7)+(3+2)P= Solution: 3(-2) + (5)? = 6+25= 19