# A solid rubber stopper has a mass of 33.0 grams and a volume of 30.0 cm^3. What is the density of rubber?

$1.1 \frac{g}{c {m}^{3}}$
Density is $\frac{m a s s}{v o l u m e}$
$\frac{33.0 g}{30.0 c {m}^{3}}$ = $1.1 \frac{g}{c {m}^{3}}$