SOLUTION: How many numbers consisting of one, two, or three digits, without repetitions, can you form using the digits 1,2,3,4,5, and 6?
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Question 48445: How many numbers consisting of one, two, or three digits, without repetitions, can you form using the digits 1,2,3,4,5, and 6? Answer by Nate(3500) (Show Source):
You can put this solution on YOUR website! Six Different Numbers
One Digit: C(6,1) = 6!/5!1! = 6
. 1 .. 2 ... 3 .... 4 ..... 5 ...... 6
Two Digits: C(6,2) = 6!/4!2! = 15
12 34
13 35
14 36
15 45
16 46
23 65
24
25
26
Three Digits: C(6,3) = 6!/3!3! = 20
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