A disgruntled letter carrier has to place ten different letters into seven mail boxes. He pays no attention to the addre...
A disgruntled letter carrier has to place ten different letters into seven mail boxes. He pays no attention to the addresses on the letters. In how many ways can he distribute the letters into the boxes?
Homework Answers
Answer:
The number of ways to distribute the letters into the boxes is:-
= 
= 10 P 7= 10! / (10-7)! = 604800
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