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Author Question: There are 5 performers who are to present their acts at a variety show. How many different ways are ... (Read 43 times)

awywial

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There are 5 performers who are to present their acts at a variety show. How many different ways are there to schedule their appearances?
 
  A) 120 B) 5 C) 25 D) 20

Question 2

How many different four-letter secret codes can be formed if the first letter must be an S or a T?
 
  A) 35,152 B) 456,976 C) 72 D) 421,824



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randomguy133

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Answer to Question 1

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Answer to Question 2

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