Earh's Moon is 384,400 km from Earth. What is the correct way to write this distance in scientific notation?

The answer is c, i, iii, and iv. this is because farming and mining deal with harvesting raw materials, construction work falls under manufacturing, and piloting a plane is a service. ii is wrong because making bread is using  raw materials to produce goods, which would fall under the secondary sector, not primary.

Economy is the answer