Question

how many 5 digit numbers are there in all​

Answer 1

Answer:

90000

The smallest 5 digit number is 10000. The largest 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 90000 different 5 digit numbers.

Step-by-step explanation:

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Answer 2

90000 are 5 digit positive number

90000 are 5 digit negative numbers

so total is 180000