1.56*10^12
13
1.56 × 1012
It is: 1.56*1012
1560 in scientific notation is 1.56 x 10^3
1,560,000,000
I write 620 billion as 620 billion.
Sixteen point two billion is how I would write it.
It is 1.56*10^3 in scientific notation
You write 3.56 billion as 3,560,000,000.
You can write 40.3 billion as 40,300,000,000.
You can write out 1.8 billion as "1,800,000,000" or "one billion eight hundred million."