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once?

1-10, 9 shows up once,

10-20, it's 19, not 9.

I was looking for 20, which Izzy got. I guess it is easy to come up with 19 if you aren't careful.

I suppose zero had deserves some consideration, since you are 'writing' the numbers, but since the OP specified 1 and 100 instead of one and one hundred, I consider this wrong.

I used the word numeral specifically to avoid the interpretation that leads to the answer 1, but I misinterpreted the meaning of numeral. Google has convinced me that 99 is a single numeral rather than 2 numeral 9's that represent the number ninety nine. I guess I should have used digit, or symbol.

Well, I guess I'll have to quite badgering people about the wording of their posts.

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:rolleyes:
Infinity... depending on your definition of a "number". I count 20 instances of the numeral 9 in just the whole numbers.

If I could just turn back time...

How many times is the symbol '9' used when writing the positive integers between 1 and 100 (represented as numbers and not spelled out e.g. 12 instead of twelve)?

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