Write the number in each statement in scientific notation
1. A computer can do an arithmetio operation in 0.000 000 l second.
2. Neptune is about 4 459 200 000 kilometers from the sun
3. A snail crawls 0.000 02 kilometer per second
4. The distance of Mercury from the Sun is 57 900 000 km
5. The speed of light is 279 600 km/s.​