What is the smallest 2-digit number whose digits are the same?
What is the smallest two-digit number whose digits are the same?
Zero is the smallest of these digits. But we couldn’t write zero zero because that isn’t a number.
We could use the digit number one. Our number has to have both digits the same. So it has a one in the tens place and a one in the ones place.
The smallest two-digit number whose digits are the same is 11.