# Answer to Question #19050 in Statistics and Probability for emmanuel

Question #19050

how many three digit numbers can be formed from the digits 1,2,3,4,and 5 if each digit can be used only once

Expert's answer

Solution

n=5; k=3; A=n*(n-1)(n-2)...(n-(k-1))=5·4·3=60

Answer: 60 three digit numbers

n=5; k=3; A=n*(n-1)(n-2)...(n-(k-1))=5·4·3=60

Answer: 60 three digit numbers

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