A) \[0.\overline{6}\]
B) \[0.\overline{9}\]
C) \[0.\overline{7}\]
D) 0.7
Correct Answer: A
Solution :
\[2.\overline{6}-1.\overline{9}=2+\frac{6}{9}-1-\frac{9}{9}\] \[=2-1-1+\frac{6}{9}=0+\overline{.6}=\mathbf{0}\overline{\mathbf{.6}}\]
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