SOLUTION: Find the number n of distinct permutations that can be formed from all the letters of : unusual.
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Question 1139008: Find the number n of distinct permutations that can be formed from all the letters of : unusual.
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!
If all 7 letters were distinct, there would be 7! distinct permutations. However, we need to divide 7! by 3! for the repeated 'u's:
7!/3! = 7*6*5*4 = 840
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