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OpenStudy (anonymous):
Can you help me find the number of combinations. 6^C 3
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OpenStudy (anonymous):
|dw:1398260167232:dw|
OpenStudy (cwrw238):
thats the number of combinations of 3 from 6 the formula is nCr = n! ----- (n-r)! r!
OpenStudy (anonymous):
Okay so i can write it out just like that, and thank you. :) And what r the "!" for? do i not addd those?
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