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5 June, 03:33

How many 3-digit numbers exist, whose digits are distinct even numbers.

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Answers (2)
  1. 5 June, 03:40
    0
    100

    Step-by-step explanation:

    my teacher told me and I got it right
  2. 5 June, 03:46
    0
    328

    Step-by-step explanation:

    If z is 0, then x has 9 choices. Therefore, z and x can be chosen in (1 * 9) + (4 * 8) = 41 ways. For each of these ways, y can be chosen in 8 ways. Hence, the desired number is 41 * 8 = 328 numbers 3-digit even numbers exist with no repetitions.
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