The saying "Please Excuse My Dear Aunt Sally" helps students remember what?
AThe order of operations
BThe place value periods
CThe divisibility tests
DThe names of variables
Answer & Solution
Correct answer: A. The order of operations
1. Each capital letter in the saying stands for a step: Parentheses, Exponents, Multiply, Divide, Add, Subtract.
2. Those steps, taken in that order, are the order of operations for simplifying an expression.
3. Place value, divisibility tests, and variable names have no connection to the words in the saying.
_Source: OpenStax Elementary Algebra (CC BY 4.0), Ch 1 "Foundations", section 1.2 Use the Language of Algebra_
Related questions
Simplify by combining like terms: 3x squared + 7x + 9 + 7x squared + 9x + 8.Is zero a positive number or a negative number?Add: 37 + (-53).Simplify: 30 divided by 5, plus 10 times (3 minus 2).List the multiples of 9 and the multiples of 12. What is the first number to appear on botFind the prime factorization of 80.Check 4,962 with the divisibility tests for 2, 3, 5, 6, and 10. Which complete list of thoRound 23,658 to the nearest hundred.