### Home > CCA > Chapter 3 > Lesson 3.2.1 > Problem3-42

3-42.

Evaluate each expression below for $a$ when $a=\frac{2}{3}$, if possible. Homework Help ✎

1. $24a$

• Multiply $24$ by $2$, then divide by $3$.

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

1. $3a$

• Use the same method as part (a).

1. $\frac{a}{0}$

• Dividing by $0=$ undefined.

1. $\frac{0}{a}$

• $0$