Each currency has a changing value relative to other currencies. this is referred to as a currency's .

It is referred to as exchange rate. 

The answer to that would be prussia which would later be germany

The electoral college consists of 538 electors. a majority of 270 electoral votes is required to elect  the president. your state's entitled allotment of electors equals the number of members in its congressional delegation: one for each member in the house of representatives plus two for yoursenators.congress does the electoral college represent