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12 balls numbered 1 through 12 are placed in a bin. Joe produces a list of three numbers by performing the following sequence three times: he chooses a ball, records the number, and places the ball back in the bin. How many different lists are possible?

 Jun 11, 2021
 #1
avatar+134 
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I think I got the answer, 12 * 12 * 12 =  1728 different lists. smiley

 Jun 11, 2021

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