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?

Question

Mathematics

Gilbert Ryan

12 October, 00:16

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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Answers (1)

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Sullivan Harvey · Answer 1

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