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anonymous

  • one year ago

I will become a fan and give a medal! how many 3 digit numerical passwords are there if a digit can be repeated

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  1. anonymous
    • one year ago
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    They didn't give me any further instructions. So, your guess is as good as mine.

  2. LoganH
    • one year ago
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    think like this

  3. LoganH
    • one year ago
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    put numbers 1 through 9 vertically on a piece of paper

  4. LoganH
    • one year ago
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    for each of these numbers you can also have 1 through 9

  5. LoganH
    • one year ago
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    so if you put 9 lines coming from each number, put 1 through nine on each of these in order.

  6. LoganH
    • one year ago
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    you can also do this again to each of the numbers in the second column. I will try to draw this out for you.

  7. LoganH
    • one year ago
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    |dw:1440728394563:dw|

  8. LoganH
    • one year ago
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    Each of these smaller numbers can also have a set of numbers 1-9, you get what I'm trying to say?

  9. anonymous
    • one year ago
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    yeah

  10. anonymous
    • one year ago
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    So the answer is more than 1000 right?

  11. LoganH
    • one year ago
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    I don't think so.

  12. LoganH
    • one year ago
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    Actually, give me a sec. to work this out. :D

  13. anonymous
    • one year ago
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    take your time

  14. LoganH
    • one year ago
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    Are there answer choices at all? just wonderin'

  15. anonymous
    • one year ago
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    no. It would be so much easier if there were!!!

  16. anonymous
    • one year ago
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    It's okay if you can't figure it out

  17. LoganH
    • one year ago
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    I just wish I had longer paper! lol

  18. anonymous
    • one year ago
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    ikr!

  19. anonymous
    • one year ago
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    so 0 would not be included

  20. LoganH
    • one year ago
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    Hmm, tough question actually.

  21. LoganH
    • one year ago
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    Perhaps it could. I will just answer this with zeros, to be safe.

  22. LoganH
    • one year ago
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    or at least try!

  23. anonymous
    • one year ago
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    go for it

  24. LoganH
    • one year ago
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    So i came to a number that is not quite 1000

  25. anonymous
    • one year ago
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    the answer's 1000

  26. LoganH
    • one year ago
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    it is?

  27. anonymous
    • one year ago
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    yeah (I came up with 300 lol)

  28. LoganH
    • one year ago
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    How did you do it?

  29. anonymous
    • one year ago
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    Thank you for taking your time to help me

  30. anonymous
    • one year ago
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    Get 300 or the answer?

  31. LoganH
    • one year ago
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    i got 810, I must have messed up somewhere. lol. And no problem, I like helping when I can. :D

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