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.
1 This means your dollar will buy more of another foreign currency so that you can purchase foreign goods. 2  For example, if you were traveling and shopping in Europe and the exchange rate of the dollar vs. euro went from (0.75 to 1) to (0.95 to 1) your dollars would now buy more Euros. lower or weak exchange rate can have the opposite effect as a strong exchange rate or currency. Let's discuss those now. 1  Imports more expensive: If the dollar or your own currency declines, this erodes the value of your personal finances.