A telegraph has 5 arms and each arm is capable of 4 distinct positons, including the position of rest. What is the total number of signals that can be made?

Explanation

To find the total number of signals that can be made by a telegraph with 5 arms, where each arm can take on 4 distinct positions (including the position of rest), we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Number of Arms and Positions**:
- The telegraph has 5 arms.
- Each arm can be in one of 4 positions.

...