Question 924843:  How many two-digit numbers can be formed from the integers 5, 6, 7, 8 and 9 without any digit repeated if they are all even? 
 Answer by ewatrrr(24785)      (Show Source): 
You can  put this solution on YOUR website! 5, 6, 7, 8 and 9  
How many two-digit even numberscan be formed   without any digit repeated 
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4 choices for the first Number AND then 2(6 0r 8)  choices for the second Number 
  = 8  two-digit even numbers can be formed. 
56,76,86,96 
58,68,78,98 
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