Verifying Decimal Expansions of Common Fractions

Verify the following decimal expansions:**

1. $\frac{1}{3} = 0.\overline{3}$
2. $\frac{1}{6} = 0.1\overline{6}$
3. $\frac{7}{30} = 0.2\overline{3}$
4. $\frac{7}{11} = 0.\overline{63}$