Question

how many number in all do we have with five digit

Answer 1

The smallest 5 digit number is 10000. The largest is 99999. 99999 minus 10000 is89999, but since you have a zero-based count, you have to add 1. That means there are a total of 90000 different 5 digit numbers.

Answer 2

Answer:

The largest 5 digit number is 99999. 99999 minus 10000 is 89999, but since you have a zero-based count, you have to add 1. That means there are a total of 90,000 different 5 digit numbers. Hence, there are 90,000 5-digit numbers.