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How many 4 letter combinations are there for SEATTL? No repetition is allowed? (Is there 11 or 15 combinations?)
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3 votes
How many 4 letter combinations are there for SEATTL? No repetition is allowed? (Is there 11 or 15 combinations?)

User Bot
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1 Answer

5 votes

P=6!÷4!(6-4)!=

6!÷48=

15 possible combinations

Hope this helps!

User Tim Wilcox
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