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Monday, July 28, 2014

How many 8-digit numbers are there in all? - 6th class

How many 8-digit numbers are there in all? - 6th class
The largest 8-digit number = 99999999
The smallest 8-digit number = 1000000
Number of all 8-digit numbers = (99999999 - 1000000 + 1) 
                                              =89999999 + 1 = 90000000

1 comment:

  1. Searching in other websites to check that if my answer was correct when I did it in this method and got the same answer. I got confused with the other methods but this blog proved that my answer was correct
    Thank u

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