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April 19, 2014

April 19, 2014

Posted by **B.B.** on Thursday, August 6, 2009 at 4:19pm.

Answer: 81 ways

Is this correct?

Thanks for your help.

- Math -
**bobpursley**, Thursday, August 6, 2009 at 4:29pmNo. I would look at the factorial.

- Math -
**B.B.**, Thursday, August 6, 2009 at 5:48pmI think that I see what I did wrong.

Should it be 9*8*7*6*5*4*3*2*1?

Thanks.

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