The assumption is that you are asking about any real numbers that have the digit zero in them, like 2507.8. There are infinitely many such numbers; there would be absolutely no end to a list of such numbers. The list would be infinitely long even if you are talking about just the positive integers.
There are 99 numbers between 0 and 100.
15 prime numbers are between 0 and 50
100
There are no three didgit numbers but there are 63 three digit numbers.
0 discrete numbers , infanite contimuous numbers
Infinitely many.
100,000
In the context of real numbers, only the number 0.
98 if you exclude 0 and 99.
There are a huge number of combinations of 5 numbers when using the numbers 0 through 10. There are 10 to the 5th power combinations of these numbers.
FIFTY .
25