SOLUTION: how many different positive three-digit integers can be formed if the three digits 4, 5, and 6 must be used in each of the integers?

Question 305361: how many different positive three-digit integers can be formed if the three digits 4, 5, and 6 must be used in each of the integers?
Answer by Edwin McCravy(20055) (Show Source): You can put this solution on YOUR website!



Choose the first digit any of those three ways.
Choose the second digit in any of the remaining 2 ways.
Choose the third digit as the remaining 1 way.

That's 3*2*1 or 6 ways.

The 6 such three-digit integers are:

456, 465, 546, 564, 645, and 654

Edwin

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