Permutations and Combinations

Question 1

Evaluate the given expression.

Revolt · Accepted Answer

1,260

Question 2

Compute the following:

Revolt · Accepted Answer

325

Question 3

Compute the following:

Revolt · Accepted Answer

1

Question 4

Evaluate the given expression.

Revolt · Accepted Answer

60480

Question 5

A shirt company has 3 designs each of which can be made with short or long sleeves. There are 7 color patterns available. How many different types of shirts are available from this company?

Revolt · Accepted Answer

42

Question 6

What does the symbol for factorial function mean?

Revolt · Accepted Answer

It means to multiply a series of descending natural numbers.

Question 7

There are 9 members on a board of directors. If they must elect a chairperson, a secretary, and a treasurer, how many different slates of candidates are possible?

Revolt · Accepted Answer

504

Question 8

Compute the following:

Revolt · Accepted Answer

560

Question 9

Decide if the following problem is an example of a permutation or a combination. State your rationale. For a study, 4 people are chosen at random from a group of 10 people. How many ways can this be done?

Revolt · Accepted Answer

combination - an unordered arrangement of objects

Question 10

Compute the following:

Revolt · Accepted Answer

840

Permutations and Combinations Answers

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