Respuesta :

[tex]\frac{1000 \, mm}{1 \, m} \cdot \frac{7}{7} = \frac{7000 \, mm}{7 \, m}[/tex]

Therefore, there are [tex]7000[/tex] millimeters in seven meters.
thSP33Dtitam
The answer is 7000 millimeters :3, hope this helps