Answer:
Distance on the map (in centimeters) represents an actual distance of 4 kilometers is 3,2 cm.
Explanation:
The scale of a map = 4 cm : 5 km
The scale of a map = 4 : 500.000
So, 0,000008 times the actual distance is the distance on the map.
0,000008 × 400.000 = 3,2 cm