SOLUTION: How many 4-digit even numbers >4000 can be formed by using the digits 0-9, if the digits may be repeated?

Question 811791: How many 4-digit even numbers >4000 can be formed by using the digits 0-9, if the digits may be repeated?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
6*10*10*9 = 5400
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