If N = {integers} and subset C = {integers divisible by 10}, what is C'?

{integers except those divisible by 10}

{ }

{10, 20, 30, 40, …}

{integers}

Question

If N = {integers} and subset C = {integers divisible by 10}, what is C'?

 {integers except those divisible by 10}

 { }

 {10, 20, 30, 40, …}

 {integers}

mathstudent55 · Answer

C' is the complement of C which means it's a set containing all elements of N that are not in C.

anonymous · Answer

answer??

mathstudent55 · Answer

Think. I gave you the information you need. Can you at least try to guess an answer?

anonymous · Answer

no 4th option????

anonymous · Answer

d

mathstudent55 · Answer

No.

Let me ask a question.

Set C contains 1 book and 1 pen.
Set B is a subset of P and contains only the book.
Set B' contains what is not in B.
What does B' contain?

anonymous · Answer

pen

anonymous · Answer

kk i understood
answer is {integers except those divisible by 10}

mathstudent55 · Answer

Correct.

The problem above is similar.

Set N contains all the integers.
Set C contains all the integers divisible by 10.
Set C' contains all the integers hat are not in C. 
What does C contain? Pick one of the choices above.

mathstudent55 · Answer

You are correct.