it looks like this: 4,500,000,000. or 4500 million i think
1 billion minutes = 1,901.32 years
45 billion
One billion 45
1 million is 1,000,000 Rs 1 billion is 1,000,000,000 Rs 1 billion dollars=45*1 billion Rs =45,000,000,000
45 times
0.0222
45 billion is 5 billion away from 50 billion. That is not very close at all, but it is closer to 50 billion than it is to 50 million, for example.
45 billion.
0.0222
No, "billion" should not be capitalized in a sentence like "45 billion dollars." It is only capitalized if it is part of a proper noun or at the beginning of a sentence.
45 billion
45 billion trillion.