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

Question

(1 point)
• by putting them in parentheses
• by underlining them
• by printing them in italics
• by putting a bar over them

Answer 1

In a repeating decimal, the group of digits that repeat is commonly shown by putting a bar over them. This notation indicates that the digits under the bar go on infinitely. So, the correct answer is:

• by putting a bar over them.