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8 grade science

Calculate the sum6+66+666+6666+6666....66 till n 6`s

Profile image of Sachin Kulkarni
8 Years agoGrade
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1 Answer

Profile image of Satdhruti Paul
8 Years ago
Take 6/9 common. You get 6/9(9 + 99 + 999 + 9999 + .....) Which is basically 6/9(10 - 1 + 102 -1 + 103 -1......) and so on which is then easy to calculate. Happy new year mate!