Math.com defines a billion dollars as 1,000 million dollars or a one followed by nine zeros: $1,000,000,000. It would take 10 million $100 bills to total $1 billion in cash.
To put it in perspective, if a person was paid $10 an hour for his job, he would have to work 100 million hours to earn a billion dollars. If that person worked eighthour days, and never took a holiday or weekend off, that would equal 12,500,000 days worked or nearly 34,247 years. A job that paid a million dollars a day would take nearly three years to earn a billion dollars, using figures from Math.com.
In the US, one billion dollars is equal to $1 million x 1000. It has 9 zeros like this: $1,000,000,000.
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A Billion dollars is a lot of money. It equals a 1000 million where each million equals a 1000 thousand dollars. 1,000,000,000  This is one Billion
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Every 8 hours and 20 minutes, the U.S. Government spends another billion dollars. (Thank us very much.) A billion is a difficult number to comprehend, let's put a billion into ...
http://usgovinfo.about.com/b/a/2005_06_05.htm

A billion dollars is the same thing as 1 billion dollars. It's the next highest
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