Permutation and Counting Principles part 2

₂₀P₂

• 20
• 380
• 6840
• 116280

What does ₁₀P₅ mean?

• Permutations with 5 choices and 10 positions
• Permutations with 10 choices and 5 positions
• Permutations with 5 numbers and 10 operations
• Permutations with 5 hot dogs and 10 drinks

How many ways can a club select a president, vice president, and a secretary from a group of 5 people?

• 12

• 60

• 15

• 30

P(4,2)

(a)  

What is the value of 5!

• 25
• 15
• 120
• 720

What is the value of 5!

(a)  

₇P₂

• 0
• 7
• 42
• 210

An ice cream shop offers a choice of three types of cones and 31 flavors of ice cream.  A customer gets to choose a cone and a type of ice cream.  How many different 1-scoop ice cream cones can a customer order? 

• 34
• 2
• 3
• 93

If you roll a die then flip a coin, how many possible outcomes?

• 2
• 6
• 12
• 64

Evaluate 5!

• 24
• 60
• 120
• 200