I have a problem in math. It is: 6P6 . I don't know what P means! HELP!

Thanks

puppylove

need help ASAP!

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- April 2nd 2008, 02:32 PMpuppyloveprobability or statistics
I have a problem in math. It is: 6P6 . I don't know what P means! HELP!

Thanks

puppylove

need help ASAP! - April 2nd 2008, 03:03 PMLen
nPr= n!/(n-r)!

So in your case 6P6=6!/(6-6)!=6!/0!=720/1=720

In case you are wondering n!=1*2*3*,...n

6!=6*5*4*3*2*1=720

0!=1

These are built in to most calculators. - April 2nd 2008, 03:25 PMpuppyloveLen...
How did you get (6-6)=6! ? I'm

confused!__so__

puppylove - April 2nd 2008, 03:28 PMLen