8. ESSENTIAL SKILL #10
• Subgroups
• Permutations vs. Combinations
• 3. Iridian’s little sister had five stuffed animals, a dolphin, a whale, an
elephant, a leopard, and giraffe.
9. a. One day she decided to play with three of her stuffed toys. How many
different choices did she have?
10. b. She liked all of her stuffed toys, but one day she decided she had to
have favorites, a first, second, and third favorite. In how many ways could
she choose her top three?