SOLUTION: How many different four-digit numbers can be made using only the digits 1, 2, and 3? (assume a digit may be repeated)
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Question 453662: How many different four-digit numbers can be made using only the digits 1, 2, and 3? (assume a digit may be repeated)
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
There are 3 ways to pick the first number. For each of those ways, there are 3 ways to pick the second number. For each of those 3 times 3 equals 9 ways to pick the first two numbers, there are 3 ways to pick the 3rd number...and so on.
John
My calculator said it, I believe it, that settles it
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