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Posted by **MONICA** on Wednesday, November 23, 2011 at 7:25pm.

(8/6)

I came up with 28 with the combination formula.Is this correct.

- ALGEBRA -
**Reiny**, Wednesday, November 23, 2011 at 8:45pmYou must be talking about

C(8,6) or

8!/(2!6!) = 28

- ALGEBRA -
**MONICA**, Wednesday, November 23, 2011 at 9:17pmI guess that what I am talking about.Ok I have another problem evaluate expressions C(8,3)C(4,2)C(4,1) now I am confused on how to do this, the problem is set up just like this can you please explain to me how to do this in steps.

- ALGEBRA -
**Reiny**, Wednesday, November 23, 2011 at 11:46pmC(8,3)C(4,2)C(4,1)

=8!/(3!5!) x 4!/(2!2!) x 4!/(3!1!)

= 56 x 6 x 4 = 1344

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