1(a)

digits between 0 and 9 = {1,2,3,4,5,6,7,8} or {0,1,2,3,4,5,6,7,8,9}?

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4 comments

  1. I think the second one, including 0 and 9. At least that’s how I did it.
    Other thoughts?

  2. I’d believe it’s the second one too (seems weird to me that 0 and 9 would be excluded). In any case, according to how you’re counting, it should just change an external factor in your result. So I’d say don’t fret too much about it and, instead, state which of the two you took into account when giving the numeric answer.

  3. glad I asked because it reads like the former!

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