Question

If r objects are being selected from a group of n distinct objects and order does matter, then this arrangement is known as a

Answer 1

Answer:

Permutation

Step-by-step explanation:

The term to describe the given statement is permutation.

When defining permutation, certain keywords such as order does matter and arrangement are used to describe permutation.

Take for instance:

The arrangement of 3 boys on a seat

Ways 4 friends can sit to take photographs

...are examples of permutation

Permutation of r objects in n distinct objects is calculated as:

$^nP_r = \frac{n!}{(n -r)!}$