No, Marco is not correct. This is because the number after each 9 has a double repetition of 66 and does not conform to a repeating decimal.
A rational number is a number whose expression can be written as a fraction with integers in both the numerator and the denominator.
From the given information;
We can conclude that Marco is not correct. This is because the number after each 9 has a double repetition of 66 and does not conform to a repeating decimal.
Learn more about a rational number here:
https://brainly.com/question/12088221