Correct. $\displaystyle{8.304}\cdot{{10}}^{{8}}={8.30400000}\cdot{{10}}^{{8}}\usepackage{cmbright}\Huge\$ , which equals 830,400,000, since multiplying by $\displaystyle{{10}}^{{8}}\usepackage{cmbright}\Huge\$ has the same effect as moving the decimal point 8 places to the right.