Remember that $\displaystyle{121.26}={121.260}\usepackage{cmbright}\Huge\$ . Now compare the digits of $\displaystyle{121.256}\usepackage{cmbright}\Huge\$ and $\displaystyle{121.260}\usepackage{cmbright}\Huge\$ . The digits are the same until the hundredths place, where $\displaystyle{6}>{5}\usepackage{cmbright}\Huge\$ . Therefore, $\displaystyle{121.260}>{121.256}\usepackage{cmbright}\Huge\$ .