Write the decimal expansion of 1/7 . Hence, write the decimal expansions of 2/7 , 3/7 , 4/7 , 5/7 and 6/7 .
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Yes, we can predict the decimal expansion without actually doing long division.
A.T.Q
1/7= 0. 142857 ( given)
2/7= 2 × 1/7 = 0.285714
3/7 = 3× 1/7 = 0.428571
4/7 = 4× 1/7= 0.571428
5/7 = 5× 1/7= 0. 714285
6/7 = 6× 1/7 = 0. 857142
Hope this will help you.
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