Big Ideas Math Geometry, 2014
BI
Big Ideas Math Geometry, 2014 View details
5. Permutations and Combinations
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Exercise 14 Page 704

Recall the formula for a permutation, _n P_r = n!/(n-r)!.

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Practice makes perfect
To evaluate the given permutation, we will use the corresponding formula. _n P_r = n!/(n-r)! We are given that n=12 and r=0. Let's substitute these values into the formula.
_n P_r = n!/(n-r)!
_(12) P_0 = 12!/( 12- 0)!
_(12) P_0 = 12!/12!
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