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Absolute Value and Complex Numbers

Sequences and Series

Find the number of ways to arrange 5 people in groups of 4 at a time where order matters.

Find the number of ways to take 6 people and place them in groups of 2 at a time where order does not matter.

Find the number of ways to take 10 people and place them in groups of 8 at a time where order does not matter.

Find the number of ways to arrange 6 people in groups of 2 at a time where order matters.

A combination is one of the different arrangement of a group of items where ___________.

In how many ways can 5 members of a dance group in different color costumes be made to stand in a line if the first is always in yellow costume?

In how many ways 6 persons can be placed in 6 rooms?

A coach must choose five starters from a team of 10 players. How many different ways can the coach choose the starters?

A permutation is an arrangement of a group of items where__________.