If leading zeros are allowed, then there are ten thousand possible: 0000 through 9999.
If leading zeros are not allowed, then it is 1000 through 9999, eliminating 0000-0999, and now there are nine thousand possibilities.
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Assuming that 00, 01, 02, etc. count as two digit numbers, then there are one hundred (1 through 99 and including 0).If you are not allowed to count 00, 01, 02, 03, 04, 05, 06, 07, 08, or 09 because they simplify to one digit numbers, then you have ten less--so a total of ninety two digit numbers.
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The Solitude of Prime Numbers was created on 2010-09-09.
If you count 00, 01 though to 09 as 2 digit numbers then you have a 19% chance...There are 100 numbers and 19 contain the number 8....08, 18, 28, 38, 48, 58, 68, 78, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 98ANOTHER ANSWERTwo digit numbers start at 10 and continue to 99. Of these 90 numbers, 18 have at least one 8 in it. That gives 18/90 = 20% chance (exactly).
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