How many numbers of 3 digits can be formed with the digits 1,2,3,4,5 when digits may be repeated?

Explanation

To solve the problem of how many 3-digit numbers can be formed using the digits 1, 2, 3, 4, and 5, with the condition that digits may be repeated, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the number of available digits**:
We have the digits 1, 2, 3, 4, and 5. This gives us a total of 5 digits to work with.

2. **Determine the number of positions**:
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