SOLUTION: How many three-digit numbers can be formed using the digits 1,2,3,4,5,6, and 7 if no digit can be repeated in a number?

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Question 447955: How many three-digit numbers can be formed using the digits 1,2,3,4,5,6, and 7 if no digit can be repeated in a number?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

How many three-digit numbers can be formed using the digits 1,2,3,4,5,6, and 7 

"if no digit can be repeated in a number"

  7 possible digits in all. Order important

 7P3 =  7*6*5 = 210 ways