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Find the number of ways to arrange the letters A, B, B, C, C, C. (Both B's are identical, and all three C's are identical.)

 Mar 2, 2019
 #1
avatar+100546 
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The number of identifiable arrangements is

 

   Number of letters!                                              6!                        720

   ______________________     =                 _________   =        _____    =     60

   repeats of B! * repeats of C !                         2!   *  3!                   12

 

 

cool cool cool

 Mar 2, 2019

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