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# How Many 3 Digit Numbers Are There?

## What is a 3-Digit Number?

A 3-digit number is a number that has three digits. It can range from 100 to 999. A 3-digit number is also known as a ‘hundreds’ number because it is composed of hundreds, tens, and units.

## How Many 3-Digit Numbers Are There?

The answer is simple. There are 900 3-digit numbers. This is because any 3-digit number is composed of hundreds, tens, and units. If we take the hundreds, there are nine possibilities (100 to 999). Then, for the tens, there are nine possibilities (10 to 90). Finally, for the units, there are nine possibilities (1 to 9). So, if we multiply each of these possibilities together, we get 9 x 9 x 9 = 729.

## What is the Smallest 3-Digit Number?

The smallest 3-digit number is 100. This is because it is composed of three digits, the hundreds, tens, and units. And, since the smallest number in each of these is 1, the smallest 3-digit number is 100.

## What is the Largest 3-Digit Number?

The largest 3-digit number is 999. This is because it is composed of three digits, the hundreds, tens, and units. And, since the largest number in each of these is 9, the largest 3-digit number is 999.

### Conclusion

So, in conclusion, there are 900 3-digit numbers, ranging from 100 to 999. The smallest 3-digit number is 100 and the largest 3-digit number is 999.