I am trying to find the list of Mathjax/Latex instructions on how to type equations and symbols so they display correctly on the site. ie. $2^2$ rather than 2^2
This link. This is the reference guide for formatting equations using mathjax on MSE.
If you're new to LaTeX and need a slower approach to learning it, Here's a link to a playlist of youtube videos that introduces you to using LaTeX.