Whenever you square a negative number it becomes positive. so -4^2 is -4*-4=16.
Be careful though. (-4)^2 is not the same as -(4^2).
yes it is 2 to the second power is equal to 4
12
eight to the second power equal to 64
Is 4 a factor of 720
50 * 5 = 250
No.
62 = 6 x 6 or 36
a^4 = a*a*a*a
20
700
9
16