Positive numbers are to the right of 0. The number $\displaystyle{2}\frac{{7}}{{8}}\usepackage{cmbright}\Huge\$ falls between 2 and 3. The point shown is to the left of $\displaystyle-{4}\usepackage{cmbright}\Huge\$ , so it is between $\displaystyle-{5}\usepackage{cmbright}\Huge\$ and $\displaystyle-{4}\usepackage{cmbright}\Huge\$ .