please help. I need to get too 80%

Answer:
[tex]\frac{3}{500}[/tex]
Step-by-step explanation:
Start by converting 5 meters to centimeters. Note 1 meter = 100 centimeters.
We can set up a unit converter:
[tex]5m(\frac{100cm}{1m})[/tex]
The meters cancel out leaving us with:
[tex]5*100cm=500cm[/tex]
The scale factor is:
[tex]\frac{drawing}{real\ life}=\frac{3cm}{500cm}=\frac{3}{500}[/tex]