[tex]\underline{\ \ 0.111...=0.\overline{1}}\\9|1\\\underline{\ \ 0}\\.\ \ 10\\\underline{\ \ \ \ 9}\\.\ \ \ \ 10\\\underline{\ \ \ \ \ \ 9}\\.\ \ \ \ \ 10\\\underline{\ \ \ \ \ \ \ 9}\\.\ \ \ \ \ \ 1\\\\\dfrac{1}{9}=0.111...=0.\overline{1}\\\\REMEMBER:\\\\\dfrac{1}{9}=0.111...=0.\overline{1}\\\\\dfrac{2}{9}=0.222...=0.\overline{2}\\\\\dfrac{3}{9}=0.333...=0.\overline{3}\\\vdots\\\\\dfrac{8}{9}=0.888...=0.\overline{8}[/tex]