Exponents and Powers Evaluation

This video tutorial introduces exponential expressions, explaining the concepts of base and exponent. It covers how to evaluate these expressions with examples, including handling negative bases and the importance of parentheses. The tutorial also introduces vocabulary shortcuts like 'squared' and 'cubed'. Practice problems are provided to reinforce understanding, emphasizing the significance of parentheses in calculations.

What is the base in the expression 4^2?

• 8

• 16

• 4

• 2

In the expression 2^3, how many times is the base used in multiplication?

• 1

• 4

• 2

• 3

What is the result of 4 squared?

• 20

• 12

• 16

• 8

What is another way to say '2 to the 3rd power'?

• 2 quadrupled

• 2 cubed

• 2 quintupled

• 2 squared

What is the result of 5 squared?

• 10

• 15

• 25

• 20

How does the presence of parentheses affect the base in an expression like (-5)^3?

• It doubles the base

• It makes the base positive

• It makes the base negative

• It does not affect the base

What is the result of (-2)^4?

• 8

• -8

• 16

• -16

In the expression -2^4, what is the base?

• 4

• -2

• 2

• -4

What is the result of -2^4?

• -16

• 16

• -8

• 8

How does an odd exponent affect the sign of a negative base?

• It makes the result positive

• It makes the result negative

• It doubles the result

• It halves the result