Question

you can think of $9 \cdot (-3)$ as 9 groups of $-3$. $9 \cdot 3$ $9 \cdot (-3)$ 9 groups of 3 9 groups of $-3$

Explanation:

Step1: Match $9 \cdot 3$ to group

$9 \cdot 3$ represents 9 groups of 3.

Step2: Match $9 \cdot (-3)$ to group

$9 \cdot (-3)$ represents 9 groups of $-3$.

Answer:

$9 \cdot 3$ → 9 groups of 3
$9 \cdot (-3)$ → 9 groups of $-3$