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Question: answer for c is 1440 show steps answer for d...

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Answer for c is 1440, show steps
Answer for d is 1200, show steps
Answer for e is 480, show steps
7. Find the number of permutations of all the letters of the word lancers that satisfy each of the following conditions. a) The letters can be in any order. b) The third letter must be m c) The letters r and s must be adjacent. d) The letters r and s are separated by only one letter. e) The letters r and s must be adjacent while the letters a and n must be separated.
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