SOLUTION: How many 6P6 and 5C5 are there? How do you know? thank you.

Question 179120This question is from textbook Permutation and Combinations
: How many 6P6 and 5C5 are there?
How do you know?
thank you. This question is from textbook Permutation and Combinations

Found 2 solutions by Mathtut, homer16:
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
5C5 is 5*4*3*2*1/5*4*3*2*1=1
:
6P6=120
Answer by homer16(2) (Show Source): You can put this solution on YOUR website!
5C5 = 1
6P6 = 720
just use the scientific calculator..
find nPr to solve for P
and nCr to solve for C
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