10
Well, honey, there are nine nines in a billion. Simple as that. Just count those zeros and you'll see it for yourself. Don't make it harder than it needs to be, darling.
There are approximately 11.88888889 nines in 107.
7 nines, with 5 left over.
There are six!
It is one of the many nines.
It is one of the many nines.
Thirteen.
9
Four of them.
64
40