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.
exchange rate. The price of one currency expressed in terms of another currency. For example, if the U.S. dollar buys 1.40 Canadian dollars, the exchange rate is 1.4 to 1.Changes in exchange rates have significant effects on the profits of multinational corporations.xchange rate. The price of one currency expressed in terms of another currency. For example, if the U.S. dollar buys 1.40 Canadian dollars, the exchange rate is 1.4 to 1.