Question

Perform the followingmathematical operation, andreport the answer rounded tothe correct number ofsignificant figures.13621 2[2]

Answer 1

Answer:

2.06

Explanation:

The given expression is:

43.6 ÷ 21.2

This can be re-expressed as:

$\begin{gathered} \frac{436}{10}\div\frac{212}{10} \\ \\ \end{gathered}$

Which can be further expressed as:

$\begin{gathered} \frac{436}{\cancel{10}}\times\frac{\cancel{10}}{212} \\ \\ =\frac{436}{212} \\ \\ =2.06 \end{gathered}$

Note that the answer is in 3 significant figures because each of the terms in the expression given is in three significant figures