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Mathematics 21 Online
OpenStudy (anonymous):

26!/22!

OpenStudy (luigi0210):

\[\frac{ 26! }{ 22! }=\frac{ 26*25*24*23*22! }{ 22! }\]

OpenStudy (espex):

Nicely done @Luigi0210

OpenStudy (luigi0210):

Thank you, I try my best :P

OpenStudy (luigi0210):

@christinewilliams can you finish it from there?

OpenStudy (anonymous):

i got 7893600 is that correct?

OpenStudy (espex):

No, sadly it is not.

OpenStudy (espex):

How did you get that number?

OpenStudy (anonymous):

i multiplied 26*25*24*23*22

OpenStudy (luigi0210):

you forgot to cancel the 22..

OpenStudy (anonymous):

how do i do that? just not add it? or divide it

OpenStudy (espex):

What if you rewrote it like this: \[(26*25*24*23)(\frac{22!}{22!})\]

OpenStudy (luigi0210):

|dw:1369770797451:dw|

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