Density is defined as the ratio of mass and volume of an object
[tex]Density = \frac{mass}{volume}[/tex]
mass = 33 g
[tex]Volume = 4.5 cm^3[/tex]
Now we can use the formula of density
[tex]Density = \frac{33}{4.5}[/tex]
[tex]Density = 7.33 \frac{g}{cm^3}[/tex]