Question

Eventually the present moon was formed about ____ billion years ago.

1) 4.46
2) 4.45
3) 4.44
4) 4.43​

Answer 1

Answer:

4.5 billion years ago

Explanation:

Frist question is propley. I don't understand

Answer 2

Answer:

Eventually the present moon was formed about 4.5 billion years ago, about 30–50 million years after the origin of the Solar System, out of debris thrown into orbit by a massive collision between a smaller proto-Earth and another planetoid, about the size of Mars.