3. How many integers between 1000 and 10,000 are there with (make sure to avoid sequences of digits with leading O's): (
Posted: Tue Sep 07, 2021 7:53 am
3. How many integers between 1000 and 10,000 are there with (make sure to avoid sequences of digits with leading O's): (a) Distinct digits? (b) Repetition of digits allowed but with no 2 or 4? (c) Distinct digits and at least one of 2 and 4 must appear?