SOLUTION: Evaluate: a. 5! = b. small (7) P small (5) 7P5 = c. small (7) C cmall (5) 7C5 =

Question 439780: Evaluate:
a. 5! =
b. small (7) P small (5) 7P5 =
c. small (7) C cmall (5) 7C5 =
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Evaluate:
a. 5! = 5*4*3*2*1 = 120
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b. small (7) P small (5); 7P5 = 7!/[(7-5)!] = (7*6*5*4*3*2*1)/(2*1)
= 7*6*5*4*3 = 2520
----------------------------------
c. small (7) C cmall (5); 7C5 = (7*6*5*4*3)/(1*2*3*4*5) = (7*6)/(1*2)= 21
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Cheers,
Stan H.
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