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Find the number of permutations of the word \"helicopter.\". A.3,628,800. B.1,814,400. C.328,800. D.452.
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Find the number of permutations of the word \"helicopter.\". A.3,628,800. B.1,814,400. C.328,800. D.452.

User Baochang Li
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Permutation is a mathematical operation that is concerned about the ordered of the elements. The word "helicopter" has 10 elements or letters. Only 2 e's are repeated. Hence, the permutation is equal to 10! / 2!. The numerical value of this is equal to 1814400. The answer is letter B. 
User Patrick Cornelissen
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