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21 September, 08:34

How many license plates can be made using 3 digits and 3 letters of repeated digits and letters are allowed? how many can be made if repeats are not allowed?

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  1. 21 September, 08:53
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    26 total letters, 10 total digits

    with repeated letters/numbers:

    26 * 26 * 26 * 10 * 10*10 = 17,576,000 ways

    without repeats:

    26 * 25*24 * 10 * 9*8 = 11,232,000 ways
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