In the first blank, the word that comes is "exchange rate".
An exchange rate reflects the amount of one currency required to purchase one unit of another currency.
In the second blank, the word that comes is "rate".
to put it simply, it is the rate of foreign currency.
Third blank fills with "floating rates".
This rate is set by floating rates in foreign exchange markets.
In the fourth blank, the answer is "appreciates".
when a currency becomes more valuable in the market, this is called "appreciates".
In the last blank, the answer is "depreciates".
when a currency becomes less valuable, this is called "depreciates".