SOLUTION: a history teacher assigned her class to write essays on two different us presidents chosen from among any of the first 44 presidents how many different 2 president combinations are

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Question 1034058: a history teacher assigned her class to write essays on two different us presidents chosen from among any of the first 44 presidents how many different 2 president combinations are there?
Answer by fractalier(6550) About Me  (Show Source):
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44 chosen 2 at a time = 44C2 = (44*43) / (2*1) = 946 ways