is watched a video tape? Donna's cosmetic box consists of 8 colors of eye shadow, 3 lipsticks and 4 types of blush. She makes up using either 1,2 or 3 kinds of these features. How many facial appearances are possible? 6. A three-digit number is formed from the digits 0, 1,3,5,6,7 and 8. Each digit can be used by once. (a) How many possible numbers can be formed? b) How many of these are even numbers? (c) How many of these are less than 500? (d) What is the probability that the formed number is an even number? (e) What is the probability that the formed number is less than 500? Ch1-3