### Home > CC3 > Chapter 7 > Lesson 7.1.2 > Problem7-21

7-21.
1. Evaluate each expression below for a when a = , if possible. Homework Help ✎

1. 24a

2. 3a

Multiply 24 by 2, then divide by 3.

$\frac{24}{1} \cdot \frac{2}{3} = \frac{48}{3} = 16$

Use the same method as part (a).

Dividing by 0 = undefined.

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