Introduction to Exponents and Evaluating Expressions with Exponents

The video tutorial introduces students to integer exponents, explaining key vocabulary such as base, power, and factors. It emphasizes the importance of parentheses in expressions and guides students through simplifying and evaluating expressions with integer exponents. The tutorial also covers the order of operations, using examples to demonstrate how to solve expressions step-by-step.

What is the term for a number that is multiplied by itself a certain number of times?

• Factor

• Base

• Exponent

• Power

How does the presence of parentheses affect the base in an expression with exponents?

• It has no effect.

• It includes the negative sign with the base.

• It changes the exponent.

• It makes the base positive.

When simplifying the expression (2/3)^2, what is the result?

• 2/9

• 4/9

• 1/3

• 2/3

How should you rewrite the expression with three pi's and four x's using exponents?

• pi^4 x^3

• pi^3 x^3

• 3pi 4x

• pi^3 x^4

What is the simplified form of 2 times 3 squared?

• 18

• 9

• 6

• 12

What is the result of evaluating the expression 3^4?

• 27

• 64

• 9

• 81

In the order of operations, which step comes after clearing exponents?

• Simplifying Fractions

• Addition and Subtraction

• Parentheses

• Multiplication and Division