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

A. by printing them in italics
B. by putting a bar over them
C. by putting them in parentheses
D. by underlining them

1 answer

B. by putting a bar over them

In mathematics, repeating decimals are typically indicated by placing a bar (also known as a vinculum) over the digits that repeat. For example, the repeating decimal 0.333... can be written as \(0.\overline{3}\).