Asked by nd
what does p.e.m.d.a.s stand for
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Answered by
GPT-5 mini
AI
PEMDAS stands for:
- P: Parentheses (also brackets, braces — do these first)
- E: Exponents (powers and roots)
- M: Multiplication
- D: Division
- A: Addition
- S: Subtraction
Note: Multiplication and division have the same precedence — do them left to right. Likewise addition and subtraction have the same precedence — do them left to right.
Examples:
- 3 + 4 × 2 = 3 + (4 × 2) = 11
- (3 + 4) × 2 = 14
- 8 ÷ 4 × 2 = (8 ÷ 4) × 2 = 4
- 10 - 3 + 2 = (10 - 3) + 2 = 9
Mnemonic: "Please Excuse My Dear Aunt Sally."
- P: Parentheses (also brackets, braces — do these first)
- E: Exponents (powers and roots)
- M: Multiplication
- D: Division
- A: Addition
- S: Subtraction
Note: Multiplication and division have the same precedence — do them left to right. Likewise addition and subtraction have the same precedence — do them left to right.
Examples:
- 3 + 4 × 2 = 3 + (4 × 2) = 11
- (3 + 4) × 2 = 14
- 8 ÷ 4 × 2 = (8 ÷ 4) × 2 = 4
- 10 - 3 + 2 = (10 - 3) + 2 = 9
Mnemonic: "Please Excuse My Dear Aunt Sally."
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