Answer:
b
Step-by-step explanation:
nominal exchange rate is the rate at which one currency is exchanged for another currency. this rate included the inflation rate
real exchange rate is exchange rate adjusted for inflation
net export = export - import
if the nominal exchange rate declines it means that the value of the us dollar declines
if inflation is higher abroad than in the US, the value of the US dollar ought to increase. Because it the exchange rate decreases, it means that real exchange rate has also decreased.
Foriegn goods would become more expensive and export would increase