Question

use the venn diagram and find the elements in the set $a \cap b$.
$a \cap b = \square$

Explanation:

Step1: Define intersection of sets

The set $A \cap B$ represents elements that are in both set $A$ and set $B$, which is the overlapping region of the two circles in the Venn diagram.

Step2: Identify overlapping elements

From the Venn diagram, the elements in the overlapping area of circle $A$ and circle $B$ are 4 and 8.

Answer:

$\{4, 8\}$