Permutation Formula

₁₂P₄

• 24

• 132

• 1320

• 11880

P₂

• 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

What is the formula of Permutation?

In a baking competition with 10 contestants, how many different ways can the first, second, and third place trophies be awarded?

• 720

• 1000

• 120

• 60

How many ways can 8 runners finish in the top 3 places where the prizes for 1^st, 2^nd, and 3^rd are all different and matter?

Mathematical Equivalence

ON

Calculate the following:

₁₂P₅

Mathematical Equivalence

ON

Calculate ₈P₂

Mathematical Equivalence

OFF

At a small school concert, how many ways can 3 performers be chosen from a group of 5 to perform solo pieces in sequence?

• 10

• 60

• 20

• 30

In a Permutation the order of the outcomes ​ ​ (a)   , but in a Combination the order​ (b)  

• matters

• doesn't matter