Identify which of the following are integers, and then plot those integers on the number line.

0.8, $\displaystyle-{2}\usepackage{cmbright}\Huge\$ , $\displaystyle\frac{{3}}{{10}}\usepackage{cmbright}\Huge\$ , 1, 0, $\displaystyle-\frac{{1}}{{2}}\usepackage{cmbright}\Huge\$ , $\displaystyle-{3}\usepackage{cmbright}\Huge\$