Answer to Question #343478 in Statistics and Probability for die

Question #343478

How many two-digit numbers can be formed from the digits 1, 2, 3 and 4 if


a. no digit is repeated in any number?

b . repetitions are allowed?


1
Expert's answer
2022-05-25T08:52:22-0400

a. There are "4(3)=12" numbers.


b. There are "4^2=16" numbers.


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