\(\text{Zet }0,312.10^{5}\text{ }ml\text{ om in }hl\)
\(\color{red}{0,312}.10^{5}\text{ }ml\)
\(=\color{red}{3,12.10^{-1}}.10^{5}\text{ }ml=\color{red}{3,12.10^{4}}\text{ }\color{blue}{ml}\) (Wetenschappelijke notatie)
\(=3,12.10^{4}.\color{blue}{10^{-5}\text{ }hl}=3,12.10^{-1}\text{ }hl\) (Eenheden omzetten)\(\)