Question: Using 0-9, how many a. 4 digit numbers are evenly divisible by 5 with repeated digits allowed? b. 4 or 5 digit numbers are evenly

Using 0-9, how many a. 4 digit numbers are evenly divisible by 5 with repeated digits allowed? b. 4 or 5 digit numbers are evenly divisible by 5 with repeated digits allowed? c. 6 digit numbers are evenly divisible by 5 with repeated digits NOT allowed?

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