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How many times does the digit 9 appear in the list of all integers from 1 to 500? (The number $ 99 $, for example, is counted twice, because $9$ appears two times in it.)

 Mar 28, 2020

Best Answer 

 #1
avatar+4568 
+1

I'M Sso sorryyyyy

 

 

it should be 20*5=100

 

sorry again

 Mar 28, 2020
edited by tertre  Mar 28, 2020
 #1
avatar+4568 
+1
Best Answer

I'M Sso sorryyyyy

 

 

it should be 20*5=100

 

sorry again

tertre Mar 28, 2020
edited by tertre  Mar 28, 2020

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