Question

What is the cardinality of the set containing factors of 12?

Answer 1

Answer:

n(A) = 6

Step-by-step explanation:

Let's say that the name of the set is A. So A is a factor of 12. The factors of 12 are 1, 2, 3, 4, 6, 12. Now, let's try to put that in a set

A = {1, 2, 3, 4, 6, 12}

So right now, we count all the elements of the set. There are 6 elements of the set, so, the cardinality of A is 6.

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Answer 2

Given :  factors of 12

To Find : cardinality of the set containing factors of 12

Solution:

12 = 1 * 12

12 = 2 * 6

12 = 3 * 4

Factors of 12 = 1 , 2 , 3 , 4 , 6 , 12

Set of factors of 12 = { 1 , 2 ,3  ,4 , 6 , 12 }

Number of elements = 6

cardinality of the set containing factors of 12  =   6

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