If log10 2 = 0.3010, the value of log10 80 is:

Answer: Option B

$$\begin{array}{rl}& {\log }_{10}80\\ & ={\log }_{10}\left(8\times 10\right)\\ & ={\log }_{10}8+{\log }_{10}10\\ & ={\log }_{10}\left(2^3\right)+1\\ & =3{\log }_{10}2+1\\ & =\left(3\times 0.3010\right)+1\\ & =1.9030\end{array}$$