It is: 4,200,000,000 or as 4.2*109 in scientific notation
To write 420 million in numbers, you start with the numeral 420 and add six zeros to represent the millions. Therefore, 420 million is written as 420,000,000.
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
153.4 billion = 153,400,000,000
53.50 billion = 53,500,000,000
2,420,000,506
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