Exploring Powers and Exponents

What does the exponent in a power expression indicate?

• The number of times the base is divided by itself

• The number of times the base is added to itself

• The number of times the base is subtracted from itself

• The number of times the base is multiplied by itself

What is the result of evaluating 4 cubed?

• 16

• 4

• 12

• 64

How is the expression '6 squared' simplified?

• 6

• 36

• 12

• 18

What is the value of negative two squared without parentheses?

• 2

• -2

• 4

• -4

How does the placement of parentheses affect the evaluation of powers in expressions with a negative base?

• No effect

• Only changes the sign of the result

• Changes the base considered for the power

• Alters the exponent value

What is the result of (2/3) squared?

• 2/9

• 4/9

• 4/3

• 1/3

In the expression 4x squared, if x equals 2, what is the result?

• 16

• 8

• 32

• 4

What does PEMDAS stand for?

• Product, Exponents, Multiplication, Division, Addition, Subtraction

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

• Parentheses, Evaluation, Multiplication, Division, Addition, Subtraction

• None of the above

What is the simplified form of the expression 9 * (-2)^2 * (2/3)^2?

• 16

• 12

• 4

• 8

If x = -2 and y = 2/3, what is the value of the expression x^2 + 81y?

• 40

• 38

• 36

• 34