10
0.002
2
2
2000
450
2,900,000,000,000 (2 trillion, 900 billion). You could also say 2.9 X 1012 or 2.9 trillion
0.002
1 trillion = 1000 billion so 0.2 trillion = 200 billion.
12 billion trillion.
400
its just like 9000 divided by 2, you would get: 4500