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how many ways are there to form a three lettert sequence using the letters a,b,c,d,e,f containing e when repititions of the letters is allowed

how many ways are there to form a three lettert sequence using the letters a,b,c,d,e,f containing e when repititions of the letters is allowed

Grade:12

1 Answers

manu saxena
46 Points
10 years ago

nWith repetition, we have six choices for each letter in the sequence.  So by the multiplication principle there are 6*6*6=216 three-letter sequences without repetition.

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