Question

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

Answer 1

{integers except those divisible by 10}

{ }

{10, 20, 30, 40, …}

{integers}

Answer 2

you forgot the negatives
\[ \large C=\{\dots,-40,-30,-20,-10,0,10,20,30,40,\dots\}\]

Answer 3

well those r my ghoices so the second one is right ?

Answer 4

then C' is the complement of C
that is take away from N everything that is in C

Answer 5

{integers except those divisible by 10}

{ }

{10, 20, 30, 40, …}

{integers}

?

Answer 6

so wich is it the top 1?

Answer 7

yes
all integer except those dividible by 10