0
Anonymous
-5
Darian Altenwerth ∙
Chat with our AI personalities
17
There are 9000 4-digit numbers. 8*9*9*9 = 5832 of them do not contain a 5 The remaining 3168 contain a 5.
-2
It would help to know which digit. 0 appears in 9 numbers and each of the others in 18 numbers.
252