Assuming flexible exchange rates, what effects does expansionary monetary policy have on the nominal exchange rate in

Question:

Assuming flexible exchange rates, what effects does expansionary monetary policy have on the nominal in the short run? in the long run?
Exchange Rate
The value of one currency for the purpose of conversion to another. Exchange Rate means on any day, for purposes of determining the Dollar Equivalent of any currency other than Dollars, the rate at which such currency may be exchanged into Dollars...