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OpenStudy (smokeysthename):
Math help please?!
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OpenStudy (smokeysthename):
Evaluate \[_{9} P _{4}\]
OpenStudy (anonymous):
you have a formula for this, just apply
OpenStudy (smokeysthename):
whats the formula?
OpenStudy (anonymous):
nPk = n!/(n-k)!
OpenStudy (smokeysthename):
okay thank you!
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OpenStudy (anonymous):
np
OpenStudy (anonymous):
So your answer would be : \[9! / 5! \] which equates to 3024
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