9. Find the smallest number by which 5808 should be multiplied so that the product becomes a perfect square?
A. 2 B. 3
C. 7 D. 11
Answer:
5808 = 2 x 2 x 2 x 2 x 3 x 11 x 11
= 22 x 22 x 3 x 112.
To make it a perfect square, it must be multiplied by 3.
