What is 11.11111111 using bar notation?

Answer 1

The answer to that would be 11.11 because you only use the first 2 #s then after that the first 2 #s after the decimal point

Answer 2

In bar notation, 11.11111111 can be written as 11.1̅, or simply 11.1 since the bar is only placed over the digit 1 and not over the entire decimal part.