Question

Question 3 (a)

Express the following as cm using decimals:

5mm

Answer 1

We know that 10 mm = 1 cm
$\therefore 1mm=\frac{1}{10}cm$

$\Rightarrow 5mm$
$=1mm\times 5$
$=\frac{1}{10}cm\times 5$
$=0.5cm$