Question

Express as $\mathrm{cm}$ using decimals:

$5\mathrm{mm}$.

Answer 1

Convert the unit from millimeter to centimeter:

Given length: $5mm$.

It is known that, $1mm=\frac{1}{10}cm=0.1cm$.

Thus, $5mm=\left(5\times 0.1\right)cm=0.5cm$.

Hence $5mm$ can be expressed as $0.5cm$.