Resposta:
Letra C.
Explicação passo-a-passo:
[tex]\boxed{0.111\dots=\dfrac{1}{9}}[/tex]
[tex]1.111\dots=1+0.111\dots\ \therefore[/tex]
[tex]1.111\dots=1+\dfrac{1}{9}=\dfrac{9}{9}+\dfrac{1}{9}\ \therefore[/tex]
[tex]\boxed{1.111\dots=\dfrac{10}{9}}[/tex]
