This is in Statistics and Probability. Answer the problems below. This is only multiple choice. Provide necessary solution for each items. Thank you and Godbless. Follow the numbering.

5. How many three-digit numbers can be formed with the digits 0, 2,3, 6, 8,9 if the digits cannot be repeated? A) 110 C) 90 B) 120 D) 100 6. Using the digits 0, 2, 3, 6, 8,9 and the digits cannot be repeated, how many three-digit numbers is greater than 500? A) 50 C) 60 B) 40 D) 30 7. Four patients enter a clinic in which there are a number of seats in a row in the waiting area. In how many ways may they be seated if there are 6 seats in a row? A) 240 C) 360 B) 720 D) 120 8. Four patients enter a clinic in which there are a number of seats in a row in the waiting area. In how many ways may they be seated if there are 8 seats in a row? A) 4096 C) 6720 B) 336 D) 1680