Order of Operations and Exponents

The video tutorial explains the order of operations using the PEMDAS rule. It starts with simplifying expressions inside parentheses, then moves on to evaluating exponents. Finally, it covers addition and subtraction of integers, emphasizing the rules for handling different signs.

What is the correct order of operations as remembered by the mnemonic 'Please Excuse My Dear Aunt Sally'?

• Exponents, Parentheses, Multiplication, Division, Addition, Subtraction

• Multiplication, Division, Parentheses, Exponents, Addition, Subtraction

• Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

• Parentheses, Multiplication, Exponents, Division, Addition, Subtraction

What is the first step in simplifying an expression according to the order of operations?

• Solve exponents

• Perform multiplication and division

• Simplify inside parentheses

• Perform addition and subtraction

What is the result of simplifying the expression 6 / 3 inside the first set of parentheses?

• 1

• 2

• 3

• 4

What is the result of 6 / 3?

• 2

• 4

• 3

• 1

What is the result of simplifying the expression -2 - 2 inside the second set of parentheses?

• -5

• -4

• -3

• -2

What is the result of -2 - 2?

• -4

• -5

• -3

• -2

When handling exponents, what is the result of squaring 2?

• 2

• 3

• 4

• 5

What is the result of 2 * 2?

• 5

• 3

• 2

• 4

What is the result of squaring -4 when it is inside parentheses?

• 8

• -16

• 16

• -8

What is the result of -4 * -4?

• -16

• 16

• -8

• 8