Answer :

To determine how many U.S. Senators there are, let's break down the information provided by the U.S. Constitution and relevant details about the states:

1. According to the U.S. Constitution, each state is allotted two senators.
2. The United States is composed of fifty (50) states.

Now, we can calculate the total number of U.S. Senators by multiplying the number of states by the number of senators each state has:

[tex]\[ \text{Total number of senators} = \text{Number of states} \times \text{Senators per state} \][/tex]

Plugging in the numbers:

[tex]\[ \text{Total number of senators} = 50 \, \text{states} \times 2 \, \text{senators per state} = 100 \][/tex]

Therefore, the total number of U.S. Senators is one hundred [tex]\( (100) \)[/tex].

The correct answer is:
One hundred (100)