Answer:
The fractional equal is n =
Explanation:
I. When n = 0.1515...
10 * n = 0.1515 * 10
10n = 1.515...
So 10n - n = 1.515... + 0.151...
9n = 1.363...
n =
or 0.1515...
Back to the question, How many repeating digits does is infinity.
You can prove it by use calculator.
Hope that help :)