SI Units in math mode

[saf-dmitry]

This should help:

Question about superscripts and subscripts

The right way to represent what you want is to put both quantity and unit inside the \pu command (“pu” stands for “physical unit”): $\pu{100 m2}$ which renders as [Screenshot 2021-10-23 at 19.11.43] More examples: $\pu{1.23 kg.m^{-3}}$ $\pu{8.31432e3 N.m.kmol^{-1}.K^{-1}}$ [Screenshot 2021-10-23 at 21.05.27] For more info see Manual for: mhchem for MathJax, mhchem for KaTeX