259 billion is written as 259,000,000,000.
You attach 9 zeros (short scale), or 12 zeros (long scale). English-speaking countries normally use the short scale.
259,000,000,000
500 million times 259 billion equals 129,500,000,000,000,000,000 (129.5 quintillion).
259
259 tenths = 25.9
0.7096
It is 2590.
I write 620 billion as 620 billion.
How do you write 0.259 as a mixed number.
Sixteen point two billion is how I would write it.
It is 2590.
You write 3.56 billion as 3,560,000,000.
You can write 40.3 billion as 40,300,000,000.
25.09 or 259/100