Question

Quick ?.... -4^2 is that a positive 16 or negative 16?

Answer 1

positive 16

Answer 2

No, it's negative, actually

Answer 3

(-4)^2 = 16
-4^2 means -(4^2)

Answer 4

uber1337h4xx0r is right:
(-4)^2=16
but
- 4^2=-16

Answer 5

http://www.wolframalpha.com/input/?i=-4^2

Here's the leading computer program showing it.

Answer 6

thanks guys.... so i consider it as -4 times -4