A) 0.9
B) \[0.\overline{9}\]
C) \[0.0\overline{9}\]
D) \[0.\overline{09}\]
Correct Answer: B
Solution :
(b): \[0.9=\frac{9}{10}\], \[0.\overline{9=\frac{9}{9}}=1\] \[0.\overline{9}=\frac{9}{90}=\frac{1}{10}.,\] \[0.\overline{09}=\frac{9}{99}=\frac{1}{11}\]
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