11 times
11 times
19 times.
300
8 of them.
42 hoe
As a digit in other numbers it appears 20 times
Infinitely many.
18
18 times
A total of 44 times.
20000 times
200
200
16
700000
If 11 and 111 is counted as 1 digit, the answer is 119.If 11 is counted as 2 digit 1's, the answer is 131.
Well, honey, the digit 3 appears in every odd number that ends in 3, 13, 23, 33, and so on up to 39. So, in the first 40 odd numbers, the digit 3 appears 4 times. Math doesn't have to be a drag, darling!