Answer:
80,000mm.
Explanation:
We want to convert 80m to millimeters.
First, recall the standard unit of conversion.
[tex]1m=1000\operatorname{mm}[/tex]Therefore:
[tex]\begin{gathered} 80m=80\times1000\operatorname{mm} \\ =80,000\operatorname{mm} \end{gathered}[/tex]80 meters is equal to 80,000mm.