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5 December, 13:22

A key code must contain 4 numerals. There are 10 numerals available. Using these numerals, how many different key codes may be created?

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Answers (2)
  1. 5 December, 14:06
    0
    The answer is 5,040 because order matters
  2. 5 December, 15:18
    0
    About 68 different code combinations
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