How do you show the group of digits that repeat in a repeating decimal?

Question

by printing them in italics

by putting a bar over them

I put them in parentheses

by underlining them

Answer 1

In mathematics, the standard way to indicate the group of digits that repeat in a repeating decimal is by putting a bar over them. For example, the repeating decimal \(0.333...\) can be written as \(0.\overline{3}\).

So, the correct answer is by putting a bar over them.