a)
[tex] \frac{13}{10} = 1.3[/tex]
[tex] \frac{2}{5} = 0.4[/tex]
[tex] \frac{1}{6} = 0.1(6)[/tex]
[tex] \frac{5}{3} = 1.(6)[/tex]
b)
[tex]12.5 = \frac{125}{10} [/tex]
[tex]1.(4) = \frac{14 - 1}{9} = \frac{13}{9} [/tex]
[tex]1.2(5) = \frac{125 - 12}{90} = \frac{113}{90} [/tex]
[tex]0.012= \frac{12}{1000} [/tex]