Posted by **B.B** on Friday, August 14, 2009 at 7:26pm.

How many 4-character license plates are possible with 2 letters from the alphabet followed by 2 digits, if repetitions are allowed? And no repetitions are allowed?

Answer: If repetitions are allowed: 26*26*10*10=67,600

No repetitions are allowed: 26*25*10*9=58,500

Is this correct?

Thanks.

- Math -
**bobpursley**, Friday, August 14, 2009 at 7:41pm
correct.

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