9×109Nm−2C29\times 10^9\mathrm{Nm}^{-2}\mathrm{C}^29×109Nm−2C2
9×109Nm2C−29\times 10^9\mathrm{Nm}^2\mathrm{C}^{-2}9×109Nm2C−2
8.8549×1012C2N−1m−28.8549\times 10^{12}\mathrm{C^2N}^{-1}\mathrm{m}^{-2}8.8549×1012C2N−1m−2
2×10−7Nm−12\times 10^{-7}\mathrm{Nm}^{-1}2×10−7Nm−1
