How can we find the value of a number with an exponent? For example, what is the value of 4 3 ?

In this lesson you will learn to find the value of a numerical expression by using exponents.

Let’s Review 4 3 Exponent Base Number

A Common Mistake 4 3 ≠ 4 x 3

Let’s Review Core Lesson We need to remember that the exponent indicates how many times the base number is used as a factor. 4 3 = 4 x 4 x 4

Let’s Review Core Lesson To find the value of this expression, we multiply each of the factors. 4 = 4 x 4 x 4 3 Partial Product Final Product x 4

In this lesson you have learned to find the value of a numerical expression by using exponents.

Let’s Review Guided Practice Find the value of 5 3.

Let’s Review Extension Activities Find the sum for 3 2 and 2 3

Let’s Review Extension Activities Find the value of ( ) 3 1 2

Let’s Review Quick Quiz Find the value of 7 3 Find the value of 2 5