How many numbers between 2000 and 3000 can be formed from the digits 2, 3, 4, 5, 6, 7 when repetition of digits is not allowed?

Explanation

To solve the problem of how many numbers between 2000 and 3000 can be formed from the digits 2, 3, 4, 5, 6, and 7 without repetition of digits, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Range**:
- We need to find numbers between 2000 and 3000. This means the first digit of the number must be 2.

2. **Choose the First Digit**:
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