I write 620 billion as 620 billion.
Sixteen point two billion is how I would write it.
You write 3.56 billion as 3,560,000,000.
40,300,000,000
It is: 2^9 times 5 = 2560
Two thousand, five hundred sixty.
Two thousand five hundred sixty and 00/100
2560 is composite. 2560 = 29 * 5
I write 620 billion as 620 billion.
Sixteen point two billion is how I would write it.
2,560 = 2,000 + 500 + 60
You write 3.56 billion as 3,560,000,000.
40,300,000,000
0.0156
2560
It is: 2^9 times 5 = 2560
As a number it is: 1,800,000,000 = 1.8 billion