Order of Operations and Exponents

The video tutorial guides viewers through evaluating a mathematical expression by substituting given values for variables and simplifying the expression using the order of operations. The process includes substituting values, simplifying within parentheses, handling exponents, and performing multiplication and addition to arrive at the final result.

What values are substituted for x, y, and z in the expression?

• x = 6, y = 2, z = 4

• x = 2, y = 4, z = 6

• x = 6, y = 4, z = 2

• x = 4, y = 6, z = 2

What is the result of the multiplication 2 * 6 in the expression?

• 16

• 14

• 12

• 10

After simplifying 12 - 2, what is the next step in the expression?

• Add 7 * 4

• Subtract 4

• Multiply 10 by 2

• Square 10

What is the value of 10 squared?

• 50

• 100

• 150

• 200

What operation is performed after calculating 10^2?

• Addition

• Subtraction

• Multiplication

• Division

What is the result of multiplying 7 by 4?

• 28

• 32

• 21

• 24

What is the final result of the expression 2x - z^2 + 7y?

• 134

• 128

• 130

• 132

Which operation is performed last in the expression?

• Multiplication

• Subtraction

• Division

• Addition

What is the order of operations followed in this expression?

• Multiplication, Exponents, Addition, Subtraction

• Multiplication, Addition, Exponents, Subtraction

• Addition, Subtraction, Multiplication, Exponents

• Exponents, Multiplication, Addition, Subtraction