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OpenStudy (anonymous):
use the formula for nCr to evaluate the given expression 15C11/3C2
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OpenStudy (m):
1365/3
OpenStudy (anonymous):
and you devide that?
OpenStudy (m):
455
OpenStudy (anonymous):
yeah i know that so that's what it would come out with?
OpenStudy (m):
yeah i'm guessing your teacher wants in fraction or integer and since answer is integer you have to put 455
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OpenStudy (m):
that's the answer for the whole thing
OpenStudy (anonymous):
ok
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