How do I put numbers to the ‘power of’? | Word 365

Choose the “power of” number.

56

Go to Home tab and in the Font section choose Superscript.

File Home 
X cut 
v 72 
Paste 
Insert Design 
Calibri (Body) 
Format Painter 
Clipboard 
Layout 
Font 
References 
Mailir

For keyboard shortcut just hover over Superscript button and help text will show keyboard shortcut