Question

56.8 x 0.37

Answer 1

$$\begin{matrix} 5 6.8 \\ \times \ \ \ \ \ \ \ \ \ \ \\ \underline{ 0 . 37} \\ \ 3\ 9\ 7\ 6\ \\ \ \underline{1\ 7\ 0\ 4\ \ \ \ \ \ } \\ \ 2\ 1. 0\ 1\ 6\ \ \ \end{matrix}$$

Calculate the measured numbers and round off to the correct sig figs:

$56.8\times0.37=21.016$

$56.8\times0.37\approx21$