The correct option is
C −93 × -3
To multiply 3 by -3, move 3 units in an opposite direction 3 times on a number line.
The three curves represent the three shifts in the opposite direction of 3 units. This way, we arrive at -9 on the number line.
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1101101/original_mul-9.JPG)
Answer =
−9