How many 3 -digit even numbers can be formed from the digits 1, 2, 3, 4, 5, 6 if the digits can be repeated?

Explanation

To find how many 3-digit even numbers can be formed from the digits 1, 2, 3, 4, 5, and 6 with repetition allowed, we can follow these steps:

### Step 1: Identify the last digit
Since we want to form an even number, the last digit (the units place) must be an even digit. From the available digits (1, 2, 3, 4, 5, 6), the even digits are 2, 4, and 6. Therefore, there are 3 choices for the last digit.

**Hint:** Remember that an even number must end with an even digit.

### Step 2: Identify the first digit
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