SOLUTION: How many three-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7, 8, 9 without repetition?
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Question 1200678: How many three-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7, 8, 9 without repetition?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
How many three-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7, 8, 9 without repetition?
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The 1st choice is 1 of 9.
Then 1 or 8.
Then 1 of 7.
9*8*7 = 504
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