Question

Express $8mm$ as centimeters using decimals

Answer 1

We know that

$$\begin{gathered} 1cm=10mm \\ \Rightarrow 1mm=\frac{1}{10}cm \\ \Rightarrow 8mm=\frac{8}{10}cm=0.8cm \end{gathered}$$

Hence $8mm$ can be represented as $0.8cm$