The correct answer is B. Penny
Step-by-step explanation:
In the United States the official currency is the American dollar or U.S. dollar, but besides this, there are quarter dollars that are coins worth one quarter of a dollar; dimes that worth one-tenth of a dollar; nickels that worth half of a dime and finally pennies that is equal to one hundredth of a dollar and it is the least valued coin minted in the United States nowadays. According to this, it can be concluded the least valued coin minted in the U.S. is the penny as this is the coin with the least value as it is equivalent to 1/100 a dollar.