5 USD give or take.
100 Czech koruna is equivalent to 5.33951 US$
No one is on a Czech dollar bill because there aren't any Czech bills with that denomination. The Czech Republic's currency is called the koruna, or "crown" in English. The Related Link includes a table of all bills issued by the Czech Republic.
In the Czech Republic, it is customary to tip around 10 of the total bill at restaurants and cafes. Tipping is usually done by rounding up the bill or leaving a small amount of change on the table.
about $400-800
1 bill is equal 1,5740 reais (15/07/2011)
Actually, it depends on how old that three dollar bill is. The Republic of Texas printed a three dollar bill in the 1800's. Get it authenticated!
It is a replica so pretty much worthless.
His actions are not favorable. In 2006, Mr. Klaus vetoed a registered partnerships bill. (His veto was overriden.)
There is not, and never has been in American currency a million dollar bill. If you have what appears to be an American million dollar bill, it is a "novelty item", and essentially worthless.
$12-15 depending on how worn it is.
That's a circular question. A current American $1 bill ISa US bill. It's worth its face value only.
That designation means "Czech Republic" in Czech, so your coin or bill would have to be recent - 1993 or later - and so would only be worth its face value. Exchange rates change every day so any answer posted here would be out of date within 24 hours. Please check a site such as www.xe.com, CNNMoney, etc. for the latest conversion factors.