Your answer is going to be all of the above i had this question before
The correct answer is <em>option 2. Expressed powers. </em>In section 8 of the Constitution of the United States, there is a list of the 27 powers that the Congress has. They are all called "Expressed Powers" because they are written down in the constitution, there is no need to imply them because they are already physically expressed in Section 8 of the US Constitution.
One of the Expressed power of Congress is to coin money. The term is defined as the ability to stamp a piece of gold, silver or other metal in order to determine its value. This is to say, the power of printing and stating the value of money.
Answer:
Usually, frequency is expressed in the hertz
