66.7×10−12 N.m.kg−266.7 \times 10^{-12} \text { N.m.kg}{ }^{-2}66.7×10−12 N.m.kg−2
6.67×10−11 N.m−2 kg−26.67 \times 10^{-11} \mathrm{~N.}\mathrm{m}^{-2} \mathrm{~kg}^{-2}6.67×10−11 N.m−2 kg−2
6.67×10−11 N.m2⋅kg−26.67 \times 10^{-11} \text { N.} \mathrm{m}^{2} \cdot \mathrm{kg}^{-2}6.67×10−11 N.m2⋅kg−2
0.0667×10−9 N.m.−2kg−20.0667 \times 10^{-9} \text { N.m.}{}^{-2} \mathrm{kg}^{-2}0.0667×10−9 N.m.−2kg−2
