The height (h) of the can is 5.5 in, and the diameter is 3 in, which means that the radius (r) is 3/2 = 1.5 in.
The can has a form of a cylinder. Then, its volume is computed as follows:
[tex]\begin{gathered} V=\pi r^2h \\ V=\pi\cdot1.5^2\cdot5.5 \\ V\approx39in^3 \end{gathered}[/tex]