Question

Express the following as centimetre (cm) using decimals.

$12cm5mm$

Answer 1

Step:Explanation.

We know that,

$$\begin{gathered} 1mm=\frac{1}{10}cm \\ 5mm=\frac{5}{10}=0.50cm \\ \therefore 12+0.50=12.50cm \end{gathered}$$

Hence,$12cm5mm=12.50cm$