Question

Francois claims that √-16 √-4 is equal to 8. Jeanette claims that √-16 √-4 is equal to -8. Who is correct?

help please ​

Answer 1

Francois is Correct.

Explanation:

-16 square rooted is -4 x -4.

-4 square rooted is -2 x -2.

2 negative numbers always make a positive, so -16 is now 16, while -4 is now 4.