anonymous
  • anonymous
P(7,3) = A. 840 B. 70 C. 35 D. 210 What would the P represent again? :)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
D.
anonymous
  • anonymous
Do you know the permutation formula?
anonymous
  • anonymous
7p3 have seven pick 3

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anonymous
  • anonymous
No i cant frickin remember it for the life of me!! >.<
anonymous
  • anonymous
it is n!/(n-k)!
anonymous
  • anonymous
plug and solve
anonymous
  • anonymous
It's just like the Combination formula without any division. multiply descending values until you've written out how many numbers the digit after the P is: 7P3 = 7*6*5 (see, three numbers, descending from 7)
anonymous
  • anonymous
yeah, guys, actually the answer is not D it is A the equation should be read as we have the number of permutations of 7 taken 3 at a time. so P(7,3)= "seven factorial divided by three factorial"
anonymous
  • anonymous
D is correct http://www.wolframalpha.com/input/?i=permutaion%287%2C3%29
anonymous
  • anonymous
bah, what would wolframalpha know :P
anonymous
  • anonymous
oh i get it... did it without the difference :? guess i'll have to learn something today.

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