Guest Session: 1 Question Remaining.
Create Account
to save progress.
Login
Set Theory
hard
0:00.0
If
A
=
∅
A = \emptyset
A
=
∅
, what is
A
×
B
A \times B
A
×
B
?
A
B
B
B
B
{
∅
}
\{ \emptyset \}
{
∅
}
C
∅
\emptyset
∅
D
{
B
}
\{B\}
{
B
}
Submit Answer