Question

how many digits are there 90 through 110

Answer 1

You can actually do it by hand. To check it (110-90)+1

Answer 2

21?

Answer 3

i thought it would be 51

Answer 4

Depends on whether they are distinct digits, or if the digits can repeat.

Answer 5

so is 51 wrong

Answer 6

Yes it depends if you want individual digits or not. I answered earlier then deleted it...