Simplify the following 0.7510 + 0.31100 + 0.091000

Answer: Option C

$$\begin{array}{rl}& \frac{0.75}{10}+\frac{0.31}{100}+\frac{0.09}{1000}\\ & =\frac{75}{1000}+\frac{3.1}{1000}+\frac{0.09}{1000}\\ & =\frac{78.19}{10000}\\ & =0.07819\end{array}$$