Question

Which symbol makes the statement true?

If O = {3,4,9,18,19,25} then 19 (∈ or ∉) of set O.

∈ or ∉ ?

Answer 1

well one means is an element of
the other means is not an element of

Answer 2

is 19 in 0?

Answer 3

I honestly don't know. I'm just typing the question exactly how they gave it to me.

Answer 4

so you can't look at your set O?
like if you look at you should see the following numbers:
3
4
9
18
19
25

did I list 19?

Answer 5

I'm asking you to look at your set O
which is {3,4,9,18,19,25}
and tell me if 19 is in O?

Answer 6

I guessed and got it wrong so, thanks anyways.

Answer 7

Ok well just so you know 19 is in O because it says it right here: