Whats a subscript and a super script used for

Question

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Answer 1

Subscript places text small and above regular text. They're like how you write exponentials.
Ex: 7₂ writes out 7².

Superscripts are similar, but places the text lower. The only example I can think of is chemical formulae.

Answer 2

<p>h₂o</p>
<p>h²o</p>
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