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28 July, 18:36

How many 3-letter codes can be formed if the second letter must be a vowel (a, e, i, o, u) ?

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Answers (2)
  1. 28 July, 21:15
    0
    3380

    Step-by-step explanation:

    Since there are 26 letters, it would be

    26*5*26

    This is 3380
  2. 28 July, 21:39
    0
    3,380 combinations

    Step-by-step explanation:

    26*5*26 = 3,380
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