Incorrect. You must simplify using the power rule, $\displaystyle{{\left({{x}}^{{a}}\right)}}^{{b}}={{x}}^{{{a}\cdot{b}}}\usepackage{cmbright}\Huge\$ , and the product rule, $\displaystyle{{x}}^{{a}}\cdot{{x}}^{{b}}={{x}}^{{{a}+{b}}}\usepackage{cmbright}\Huge\$ .