nelsonayden11 nelsonayden11

19-03-2018
Mathematics

contestada

suppose the digits cannot repeat. find the number of possible two-digit and three-digit codes. 1,2,3,4,5

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sydneymtaylor sydneymtaylor

19-03-2018

there are 20 possibilities, for 2 digit codes and 60 possibilities for 3 digit codes.

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