To write 2.79 billion in numbers, you express it as 2,790,000,000. This is done by placing the digits in the appropriate places for billions, millions, thousands, and units. The number consists of 2 billion, 790 million, and no additional thousands or hundreds.
17.9 billion written out in numbers is 17,900,000,000
1,000 billion billion is: 1,000,000,000,000,000,000,000
153.4 billion = 153,400,000,000
4.2 billion = 4,200,000,000
It is: 900,000,000 = 0.9 billion
1.52 billion written in numbers is 1,520,000,000
17.9 billion written out in numbers is 17,900,000,000
1,000 billion billion is: 1,000,000,000,000,000,000,000
15.8 billion = 15,800,000,000
Six billion = 6,000,000,000
153.4 billion = 153,400,000,000
3,900,000,000 is 3.9 billion.
1476 billion is 1,476,000,000,000
53.50 billion = 53,500,000,000
9.88 billion = 9,880,000,000
1.0773 billion = 1,077,300,000
2.021 billion = 2,021,000,000