How to write 1.8 billion in numbers
1.8 billion can be written as 1,800,000,000.
To write 1.8 billion in numbers, you simply write the digits "1,800,000,000".
To write 1.8 billion in numbers, you simply write the digit 1 followed by 9 zeros after it. Here is the breakdown:
1 billion = 1,000,000,000
Since you want to write 1.8 billion, you multiply 1 billion by 1.8:
1,000,000,000 x 1.8 = 1,800,000,000
So, 1.8 billion can be written as 1,800,000,000.