It would be helpful to be able to use superscripts and subscripts for only part of an answer (specifically for chemical formula)
The LaTex option is nice, but it doesn't address the need for superscripts and subscripts in chemical formula, where you only want it for a portion of the answer.
Our new inline LaTeX integration will support this! you can have subscripts and superscripts in LaTeX in the poll question and answer choices.
Would be: CO₂
You can see get more detailed instructions for our inline LaTeX for math or chemistry here: https://polleverywhere.uservoice.com/knowledgebase/articles/891297