1,000,000,000
1,300,000,000
1,600,000
It is 7,046,000,000.
580,000,000
29,000,000,000
3,810,000,000
7,000,000,000 is 7 billion
In digits: 1,001,001,001 (Using the accepted "short scale" billion, which equals one thousand million.)
1,560,000,000
To write 2.1 billion in digits, you would write it as 2,100,000,000. This is because the number 2.1 billion consists of the numeral 2 followed by nine zeros, representing the value of one billion.
10 digits: 1,000,000,000 is one billion dollars.
1,100,000,000