Sixteen point two billion is how I would write it.
You would write it as 125,000,000,000
6.9 billion as a number would be 6,900,000,000. To write it out without digits it would be six billion and nine hundred million.
I would write it as in the question.
To write one billion three million, you would write out the number 1,003,000,000.
Sixteen point two billion is how I would write it.
Since you asked how I would write the number, the answer is 1031.
You would write it as 125,000,000,000
You would write it as 20,750,000,000. Twenty billion, seven hundred fifty million.
6.9 billion as a number would be 6,900,000,000. To write it out without digits it would be six billion and nine hundred million.
I would write it as in the question.
To write one billion three million, you would write out the number 1,003,000,000.
147,000,000,000
1,760,000,000
1,000,100,000,000
1.2000,000,000
436,000,000,000