If the U. S. dollar is "strong," that means that it has a high rate of exchange for other types of currency. If the dollar is weak," that means that you
would get fewer dollars in exchange for another currency. Explain how
the value of imports and exports would change based on a strong or weak dollar.

Explanation:

✓A strong dollar can be explained as

when the currency is appreciating, a dollar is strong when it posses a high rate of exchange compare to other types of currency.

✓Weak dollar is when it's depreciating and cannot buy more of other currencies than it did before.

Explain how the value of imports and exports would change based on a strong or weak dollar?

✓A strong dollar will bring about exports goods to become more expensive in other countries , and the

imported goods will becomes less expensive in that country.

✓A weak dollar will bring about the export of a country to be cheaper when supplied to other nations, then the imports that are been imported to that country will become more expensive.

an expansion is one of two basic business cycle phases; the other is contraction. the transition from expansion to contraction is a peak, and the changeover from contraction to expansion is a trough.

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.