Yesterday, the dollar was trading in the foreign exchange market at 1.10 euros per dollar.​ Today, the dollar is trading at 1.20 euros per dollar. The dollar has​ and a possible reason for the change is​ in the expected future exchange rate.

appreciated; an increase.

Explanation:

Since there's an increase in the dollar rate at the foreign exchange market at 1.10 euros per dollar to 1.20 euros per dollar, this implies that the dollar has appreciated.

The appreciation of the dollar simply means that there's an increase in the value of the dollar when it's compared to.anitgee currency. Tge reason for the change is​ the increase in the expected future exchange rate.

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