Register
Find the number of permutations of the word \"helicopter.\". A.3,628,800. B.1,814,400. C.328,800. D.452.
93.5k views
1 vote
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
by
7.0k points

1 Answer

7 votes
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
by
7.1k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.6m questions

10.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!