Question 177551
Evaluate each expression. 

29. 4! = 4*3*2*1 = 24
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30. 8i/6i 2i = 8i/-12 = (2/3)i
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31. 6C3 = [6!/(6-3)!3!] = 6!/[3!*3!] = 6*5*4/1*2*3 = 20
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32. 7P2 = 7!/(7-2)! = 7!/(5!) = 7*6 = 42
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Cheers,
Stan H.