Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Let
A
A
A
be the set of positive divisors of
12
12
12
and
B
=
{
−
2
,
−
1
,
0
,
1
}
B = \{-2, -1, 0, 1\}
B
=
{
−
2
,
−
1
,
0
,
1
}
. Find the number of elements in
A
×
B
A \times B
A
×
B
. a) 20 b) 16 c) 24 d) 28
Browse the problem library