# Question: a How many different 7 place license plates are possible if

(a) How many different 7-place license plates are possible if the first 2 places are for letters and the other 5 for numbers?

(b) Repeat part (a) under the assumption that no letter or number can be repeated in a single license plate.

(b) Repeat part (a) under the assumption that no letter or number can be repeated in a single license plate.

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