To write powers in text format on websites, users can utilize specific tags like [*SUP] for superscripts or [*tex] for LaTeX formatting. The [*SUP] tag allows for simple expressions like x[*SUP]2[/SUP], while the [*tex] option supports more complex mathematical notation. Many users prefer the LaTeX method for its flexibility in handling various mathematical symbols and structures. It's important to ensure both opening and closing tags are correctly placed to render the expressions properly. Understanding these formatting options enhances the ability to communicate mathematical concepts effectively online.