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You know that `1/7`=0.`bar(142857)` can you predict what the decimal expansion of `2/7, 3/7,4/7 , 5/7, 6/7 ` are without actually doing the long division. |
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Answer» `1/7=0.overline142857` `2/7=2*1/7=2*0.overline142857=0.overline285714` `3/7=0.overline428571` `4/7=0.overline571428` `5/7=0.overline714285` `6/7=0.overline857142`. |
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