Find the sum of the digits of the number 6+66+666+6666 + ... +666...66, where the last number contains 100 digits. plz answer fast 15 pts

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,

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