To write 15.3 billion in numbers, you would express it as 15,300,000,000. This is done by placing the number 15 in the billions place, followed by three zeros for the hundreds, thousands, and millions, and then adding the decimal portion (0.3) which represents 300 million.
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
it easy 57,000,000 millions have 6 noughts
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
Six billion = 6,000,000,000
15.8 billion = 15,800,000,000
153.4 billion = 153,400,000,000
3,900,000,000 is 3.9 billion.
2,280,000,000 = 2.28 billion
It is 27,638,000,000 = 27.638 billion
4.2 billion = 4,200,000,000
It is: 25,300,000,000 = 25.3 billion