300,000,000,000 in word form is three hundred billion.
Two billion eight hundred thousand.
Eighteen billion.
Fifty-nine billion.
after a billion there are squillions
1.4 billion dollar in word form can be written $1.4 billion or $1,400,000,000.00
Eight billion.
300,000,000,000 in word form is three hundred billion.
Four billion.
funny enough, half a billion
2,000,000,000 = two billion.
15 billion is correct unless there is some reason to capitalize the word billion, perhaps in a title.
No, the word "billion" should not be capitalized unless it is at the beginning of a sentence or part of a proper noun.
A billion is one number followed by 9 zeroes.
One Hundred Fifty Billion.
Five hundred billion 500 billion
No.