Correct. Given $\displaystyle{{x}}^{{3}}={1000}\usepackage{cmbright}\Huge\$ , you know that $\displaystyle{\sqrt[{{3}}]{{{{x}}^{{3}}}}}={\sqrt[{{3}}]{{{1000}}}}\usepackage{cmbright}\Huge\$ , which equals 10, since $\displaystyle{{10}}^{{3}}={1000}\usepackage{cmbright}\Huge\$ .