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avatar+1112 

How many times does the digit 9 appear in the list of all integers from 1 to 500?

 Jan 20, 2018
 #1
avatar+18961 
+3

1-100   it shows up 20 times

20 x 5 = 100 times

 Jan 20, 2018
 #2
avatar+103689 
+3

All the numbers that end in 9 that is 50

All the ones that are in the tens column. That is 50 too.

So like ElectricPavolv says, that is 100.

 Jan 20, 2018

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