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Given the four digits 2, 4, 6, 7, and 8, how many different positive two-digit integers can be formed using these digits if a digit can be repeated in an integer?

 Jul 7, 2022
 #1
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We have 5 choices  for  each  digit....so....

 

(5) (5)  = 

 

25

 

 

cool cool cool

 Jul 7, 2022

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