Exercise 22 Page 121

The expression ( 15)^4, or 15 to the fourth power, can be written as the product of four 15 terms. Knowing this, we can complete the first three boxes. (1/5)^4 &= 1/5 * 1/5 * 1/5 * 1/5 &=Now, to fill the last box, we will multiply 15 four times.

(1/5)^4

Rewrite

Rewrite (1/5)^4 as 1/5 * 1/5 * 1/5 * 1/5

1/5 * 1/5 * 1/5 * 1/5

MultFrac

Multiply fractions

1 * 1 * 1 * 1 * 1/5 * 5 * 5 * 5 * 5

IdPropMult

Identity Property of Multiplication

1/5 * 5 * 5 * 5 * 5

Multiply

Multiply

1/3125

Let's fully complete the boxes! (1/5)^4 &= 1/5 * 1/5 * 1/5 * 1/5 &=1/3125