Ah, let's paint a happy little picture with numbers. To write 350 billion in numbers, you simply write 350,000,000,000. Each zero adds more beauty to the number, just like adding more colors to a painting. Keep practicing, and soon you'll be a master of numbers, just like you're a master of the canvas.
1.52 billion written in numbers is 1,520,000,000
3,900,000,000 is 3.9 billion.
15.8 billion = 15,800,000,000
Six billion = 6,000,000,000
1,180,000,000
$1,000,350,000
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
1.48 billion = 1,480,000,000
3,900,000,000 is 3.9 billion.
15.8 billion = 15,800,000,000
Six billion = 6,000,000,000
1476 billion is 1,476,000,000,000
It is: 124,000,000,000 = 124 billion
It is 27,638,000,000 = 27.638 billion
It is: 900,000,000 = 0.9 billion