Respuesta :

The answer would be 7,890.

Answer:

The first choice: 7,890 millimeters

Step-by-step explanation:

Remember that there are 100cm in a meter; there are 10mm in a centimeter.

100*10=1000

There are 1000 millimeters in a meter.

7.89*1000=7890

There are 7890 millimeters in 7.89 meters.

I hope this helps!!!