Question

How many $0$ in $1$ to $100$ counting?

Answer 1

Estimate number of zeroes:

The given range is $1$ to $100$.

Let us list the zeroes between this range,

$10,20,30,40,50,60,70,80,90,100$

There are $11$ numbers enlisted here.

Hence, there are $11$ zeroes between $1$ to $100$.