Asked by jamesbond

How many positive integers less than 1020 have all their digits the same? also give the solution kindly,,,,,,,,,and thanx a lot for the last question's answer
Answered by Steve
1,2...9
11,22...99
111,222...999
Looks like 27 to me
why specify 1020? odd upper limit.
Answered by intermediate player PLEASE HELP
10^20 ??not 1020

20*9=180
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