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Mathematics 25 Online
OpenStudy (anonymous):

How many ways are there of choosing 7 colors, without replacement, from 9 distinct colors, if the order of the choices is taken into consideration? the order of the choices is not taken into consideration?

OpenStudy (anonymous):

permutations and combinations

OpenStudy (anonymous):

9P7 9c7

OpenStudy (anonymous):

9P7 , 9C7

OpenStudy (anonymous):

LOL

OpenStudy (anonymous):

:P

OpenStudy (anonymous):

whats funny?

OpenStudy (anonymous):

typing the same thing ...

OpenStudy (anonymous):

I see now

OpenStudy (anonymous):

LOL, thank you guys.

OpenStudy (anonymous):

@mathg8 reply to my message

OpenStudy (anonymous):

sorry ...dinner duties

OpenStudy (anonymous):

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