I want to type the m2 and m3 with the numbers in superscript.
I started to google it and this was one of the answers:

I don’t think you can make these from the keyboard. Use the Character Palette (Edit > Special Characters), Unicode numbers 00B2 and 00B3.

via Apple – Support – Discussions – how to type square and cubic meter ….

Dunno, but that’s not an answer.
That’s just the other way around…