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