[MT−2]\left[\mathrm{MT}^{-2}\right][MT−2]
[MT2]\left[\mathrm{MT}^{2}\right][MT2]
[M2 T2]\left[\mathrm{M}^{2} \mathrm{~T}^{2}\right][M2 T2]
[M2 T−2]\left[\mathrm{M}^{2} \mathrm{~T}^{-2}\right][M2 T−2]