Yes, use the "carat" ^
How to type the power of a number?
"6 to the power of 2" is typed 6^2
On Microsoft Word, you go Ctrl =, or Ctrl +.
I forgot which one.
simply use "^"
and you can also copy paste this
a¹, a², a³, a⁴, a⁵, a⁶, a⁷, a⁸, a⁹