Answer:
[tex]52,700[/tex]
Step-by-step explanation:
Use the fact that
[tex]1\ cm =10\ mm,[/tex]
then
[tex]1\ cm^2=1\ cm\times 1\ cm= 10\ mm\times 10\ mm=100\ mm^2[/tex]
The surface area of a piece of paper is [tex]527\ cm^2.[/tex] Convert it to [tex]mm^2:[/tex]
[tex]527\ cm^2=527\cdot 100\ mm^2=52,700\ mm^2[/tex]