

Each coin or bill they printed was backed by gold in a big vault somewhere. How do you know money is really worth anything? Well, countries used to hold gold that represented all the money they had printed. Different banks or institutions may have different fees and rates for making the exchange. However, exchange rates will vary slightly depending on where you go. You can look on the internet to see the latest exchange rates between different world currencies. dollars then you would have to give them 130 U.S. If the exchange rate was 1 Euro equals 1.3 U.S. For example, if you were in Europe and wanted to trade U.S. You can do this by exchanging your money for some of that country's money. When you go to another country, you will usually want to get some cash of the local money. It is the third most traded currency in the world. Japanese Yen - The Japanese Yen is the official currency of Japan.dollar in total cash in circulation in 2006.

Many of the countries in the European Union use the Euro as their official currency (not all of them do such as Denmark and the United Kingdom). European Euro - The Euro is the official currency of the European Union.It is the most used currency in international transactions.

dollar is the official currency of the United States. Prior to 1944, it was considered the world reference for currency. It is currently the fourth most traded currency in the world.
