what is the shortcut key for mathematical index numbers?

Sorry if this is the wrong place! I hope this makes some sense.

If I wanted to put 4 to the power of 5 - how would I would I get the 5?

 

In (X)HTML, you would use Super and Subscript tags:

<sup>Supers</sup>
<sub>Sub</sub>

Code (markup):

When using powers, you would use the <sup> tag.

4<sup>5</sup>

Code (markup):

 

Thanks for that - really good of you