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How many different 5-digit even numbers can be formed using the numerals 1, 2, 3, 4 and 5 if the numerals can be repeated

 Apr 8, 2020
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An even number must end with an even digit (2 or 4); however, all the other digits can be either even or odd.

 

5 choices for the first digit

5 choices for the second digit

5 choices for the third digit

5 choices for the fourth digit

2 choices for the last digit

 

answer  -  5 x 5 x 5 x 5 x 2  =                 

 Apr 8, 2020

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