How would you write out an exponent in HTML?

HTML actually provides a tag – called the superscript tag to make formatting of an exponent easy to display. Below we show what the HTML would look like if we wanted to write out 2 to the power of 10 with the proper formatting in HTML

Using the superscript tag for exponents in HTML

This is how you would write out 2 to the power 10 in HTML:

2<sup>10</sup> 

The result of using the <sup> tag:

210

Success! Pretty easy – although if asked this question in an interview, it’s something you would either know or not know.