You know that 1/7 = 0.142857..... . Can you predict what the decimal expansions of 2/7,3/7,4/7,5/7,6/7 are,without actually doing the long division?
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Multiply 2,3,4,5,7, to the no. 0.142857 and get each answer separately
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Hope this answer helps you..... ☺
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