\[\begin{split} (a)\; \frac{1}{9}\; \text{in base 10} \quad \qquad &(b)\; \frac{1}{2}\; \text{in base 3} \\ (c)\; \frac{1}{3}\; \text{in base 4} \quad \qquad &(d)\; \frac{1}{4}\; \text{in base 5} \\ (...(a)19in base 10(b)12in base 3(c)13in base 4(d)14in base 5(e)15in base 6(f)16in base 7(g)17in base 8(h)18in base 9