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
2,280,000,000 = 2.28 billion
It is 27,638,000,000 = 27.638 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.
It is: 124,000,000,000 = 124 billion
4.2 billion = 4,200,000,000
It is: 900,000,000 = 0.9 billion
2,280,000,000 = 2.28 billion
It is: 25,300,000,000 = 25.3 billion