155 200 000 000
One hundred fifty-five billion.
23,250,000,000 (23.25 billion)
I write 620 billion as 620 billion.
You write it as 155, exactly as in the question!
155+q
Sixteen point two billion is how I would write it.
You write 3.56 billion as 3,560,000,000.
35 / 100 x 155,000,000,000 = 54,250,000,000
It is simply: 155.0
155/1000
40,300,000,000