Asked by jhay
how many different plate numbers can be made using the letters A,B and numbers 0,1,2,3 if each must contain 2 letters and 3 numbers.
Answers
Answered by
Reiny
Since you state no restriction, I will assume that the plate can start with a 0
first let's select our plate:
number of selections = C(2,2) C(4,3) = 4
then each of those can be arranged in 5! ways.
number of possible arrangements
= 4(5!) = 480
first let's select our plate:
number of selections = C(2,2) C(4,3) = 4
then each of those can be arranged in 5! ways.
number of possible arrangements
= 4(5!) = 480
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