Respuesta :

Answer:

  1/400

Step-by-step explanation:

It is helpful to know that 1 m = 100 cm, so 8 m = 800 cm.

The scale factor is usually written as ...

  (model distance) / (world distance)

  = (2 cm) / (800 cm) = 2/800 = 1/400

Emily's drawing has a scale factor of 1/400.