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    Mathematics
  3. Study Set
    Precalculus
  4. Exam
    Exam 57: Counting Principles
  5. Question
    Evaluate\({ } _ { n } P _ { r }\)
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Evaluate nPr{ } _ { n } P _ { r }n​Pr​

Question 9

Question 9

Multiple Choice

Evaluate nPr{ } _ { n } P _ { r }n​Pr​ .? 2P2{ } _ { 2 } P _ { 2 }2​P2​ ?


A) 2
B) 20
C) 30
D) 6
E) 12

Correct Answer:

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