25 millimeters equal 0.000025 kilometers.
38,000,000 mm
1 km equals 100,000 mm
25mm = 0.000025km
2.5
8490 mm = 0.00849 km
0.045 km
0.05km equals 50,000mm (km x 1,000,000 = mm)
120,000,000 mm = 120km
45000 mm = 0.045 km
25 mm = 2.5*10-5 km
the answer is 5
its 823000000mm