Question

Set of factor of 20 represent in both roaster and set builder method

.

Answer 1

Answer:

factor of 20 are

1. 1,2,4,5,10,and 20.
2. bcz a number must be divided by itself and 1.

Answer 2

roster method

A={ 1,2,4,5,10,20}

set builder

A={x:x is a factor of 20 , x<20}