2. Using the digits 0 through 9, find out how many 4-digit numbers can be congured based on the stated conditions: a. [1 pt] The number cannot start with zero and no digits can be repeated. b. [1 pt] The number must begin and end with an odd digit. [Repeated digits are okay.) c. [1 pt] The number must be at least 5000 and be divisible by 10. [Repeated digits are okay.) d. [2 pt] The number must be less than 3000 and must be even. No digits may be repeated in the last 3 digits. [That is, 2234- would be okay, but 2334 would not be okay.)