1 km equals 100,000 mm
8490 mm = 0.00849 km
0.045 km
120,000,000 mm = 120km
45000 mm = 0.045 km
0.05km equals 50,000mm (km x 1,000,000 = mm)
the answer is 5
By unit of length and distance and conversion ,we can say that 1 km =1000000 mm 5.2 mm =0.0000052 km
1m = 1/1000 km 0.03 m = 0.03/1000 =0.00003 km
6.4mm equals 0.0000064km
By unit of length and distance and conversion ,we can say that 1 km=1000000 mm 20000 mm=0.02 km
38,000,000 mm