( 8.3 1 + 0. 6 + 0.00 2 ) is equal to :

Answer: Option D

$$\begin{array}{rl}& \left(8.3\bar{1}+0.\bar{6}+0.00\bar{2}\right)\\ & =8+\frac{31-3}{90}+\frac{6}{9}+\frac{2}{900}\\ & =\frac{7200+280+600+2}{900}\\ & =\frac{8082}{900}\\ & =8\frac{882}{900}\\ & =8+\frac{979-97}{900}\\ & =8.97\bar{9}\end{array}$$