SUPERSCRIPT IN GOOGLE DOCS Step By Step DESCRIPTION:
Write the base element and the superscript element together and select the element which will be the superscript.
Then Go to the Format tab Select Text and click Superscript.

Second way to do Superscript;
Select the element that will be the superscript then press CTRL with + key
To remove the superscript, select the superscript element and press the CTRL with + key
Learn how to insert subscript in Google Docs on https://www.techngeek4u.com/2020/10/how-to-type-subscript.html