90 of them.
There are 90 such numbers.
There are 90 two-digit numbers... starting with 10 and ending with 99.
90
90
There are 90 two-digit whole numbers between 1 and 100.
90 of them.
There are 90 such numbers.
There are 90 two-digit numbers... starting with 10 and ending with 99.
There are 90 palindromic numbers.
90
90
90
90
-5
90
9