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OpenStudy (anonymous):
How many different three-digit numbers can be formed using the digits 1,2,4,5,6,7,8 without repetition?
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OpenStudy (anonymous):
no repetition allowed, and order does mater, so this is a permutation problem. do you have the permutation with no repetition equation handy?
OpenStudy (anonymous):
Nevermind I got it figured out, thanks though man
OpenStudy (anonymous):
rad
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