Question 1017501
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Evaluate C(8,4)
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What is C(8,4) ?


If it is {{{C[8]^4}}}, the number of combinations of 8 objects taken 4 at a time, then it is 


{{{C[8]^4}}} = {{{(8*7*6*5)/(1*2*3*4)}}} = 7*2*5 = 70.