6.67Nm−26.67\mathrm{Nm}^{-2}6.67Nm−2
6.67Nm−16.67\mathrm{Nm}^{-1}6.67Nm−1
6.80Nm26.80\mathrm{Nm}^26.80Nm2
6.9Nm−26.9\mathrm{Nm}^{-2}6.9Nm−2
No correct answer\text{No correct answer}No correct answer
