Question 924840: How many two-digit numbers can be formed from the integers 5, 6, 7, 8 and 9 without any digit repeated if they are less than 70?
Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website! How many two-digit numbers can be formed from the integers 5, 6, 7, 8 and 9
without any digit repeated if they are less than 70?
2*4 = 8
56,57,58,59
65,67,68,69
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