156
£156 billion
156/200 = 0.78
I write 620 billion as 620 billion.
156.0
No. Earth will be scorched and possibly consume by the sun in about 5 billion years.
1.56e11 or 1.56 x 1011
Sixteen point two billion is how I would write it.
You write 3.56 billion as 3,560,000,000.
40,300,000,000
As a number it is: 1,800,000,000 = 1.8 billion
Since you asked how I would write the number, the answer is 1031.