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Sami remembers that the digits in her new three-digit area code contain a 9, 8, and 7, but she can't recall the order. How many possibilities are there for her to try?

 Apr 2, 2020
 #1
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 Apr 2, 2020
 #2
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3  possibilities for  first number  *  2  for  the  second * 1  left  for the last  =

 

3 * 2  *   1   =   

 

6 possibilities

 

 

cool cool cool

 Apr 2, 2020

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