1 You can only upload photos smaller than 5 MB. 2  You can only upload videos smaller than 600MB.  You can only upload a photo (png, jpg, jpeg) or a video (3gp, 3gpp, mp4, mov, avi, mpg, mpeg, rm).
The price to exchange one U.S. dollar for one unit of a foreign currency is called an exchange rate. The exchange rate of the U.S. dollar varies for different foreign currencies, which fluctuate daily based on a number of factors.
Each country has its own currency or monetary system for buying and selling products and services. The exchange rate between two countries tells you the price you pay to buy another country's currency. When you travel internationally, you will want to have some of that country's currency to buy products or services. Exchanging Currency