The value of $$\frac{{3.157 \times 4126 \times 3.198}}{{63.972 \times 2835.121}}$$     is closest to :

$$\eqalign{ & = \frac{{3.157 \times 4126 \times 3.198}}{{63.972 \times 2835.121}} \cr & \approx \frac{{3.2 \times 4126 \times 3.2}}{{64 \times 2835}} \cr & = \frac{{32 \times 4126 \times 32}}{{64 \times 2835}} \times \frac{1}{{100}} \cr & = \frac{{66016}}{{2835}} \times \frac{1}{{100}} \cr & = \frac{{23.28}}{{100}} \cr & = 0.23 \cr & \approx 0.2 \cr} $$