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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

sreehith reddy , 13 Years ago
Grade 12
anser 1 Answers
manu saxena

Last Activity: 13 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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