One kilometre is equal to 1000 x 1000 = 1000000 millimetres. Therefore, 45 kilometres is equal to 45 x 1000000 = 45000000 millimetres.
There are 1000000 milligrams in one kilogram. Therefore, 45 kilograms is equal to 45 x 1000000 = 45000000 milligrams.
1000000000000
1000000 × 500 = 500,000,000 Five hundred million
1000000
2000 x 1000000 = 2000000000
1000000 x 15 = 15000000
1000000 x 50 = 50000000
1000000 x 3.48 = 3480000
5 x 1000000 = 5000000
9261000000 x 1000000 = 9261000000000000
1000000 x 200000 = 200000000000