Final answer:
In HTML, the character ÷ does not need to be written in ampersand notation.
Step-by-step explanation:
In HTML, the character that does not need to be written in ampersand notation is the character ÷.
Characters that require ampersand notation in HTML are called HTML entities. These characters are special and cannot be directly represented in HTML code.
Here are examples of HTML entities:
- ≥ for the greater than or equal to (≥) symbol
- √ for the square root (√) symbol
- & for the ampersand (&) symbol itself