How many three –digit numbers are there?

Explanation

To find out how many three-digit numbers there are, we can break down the problem step by step.

### Step 1: Identify the range of three-digit numbers
Three-digit numbers range from 100 to 999.

### Step 2: Determine the first digit
The first digit of a three-digit number cannot be 0 (as that would make it a two-digit number). Therefore, the possible choices for the first digit are from 1 to 9. This gives us a total of 9 options.

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