8.85×10−12C2 N−1 m−28.85 \times 10^{-12} \mathrm{C}^{2} \mathrm{~N}^{-1} \mathrm{~m}^{-2}8.85×10−12C2 N−1 m−2
9×109Nm2C−29 \times 10^{9} \mathrm{Nm}^{2} \mathrm{C}^{-2}9×109Nm2C−2
4π×10−7TmA−14 \pi \times 10^{-7} \mathrm{TmA}^{-1}4π×10−7TmA−1
3×108 ms−13 \times 10^{8} \mathrm{~ms}^{-1}3×108 ms−1
