14. Exercise Problems VII

You know that $\frac{1}{7} = 0.\overline{142857}$ Can you predict what the decimal expansions of $\frac{2}{7}, \frac{3}{7}, \frac{4}{7}, \frac{5}{7}, \frac{6}{7}$ are, without actually doing the long division? If so, how?

 

$\frac{2}{7}=$ $\overline{i}$