-2 times -2 = plus 4 since minus times minus is plus
It is plus 4
For anything to the power of a negative, put the number as the denominator in 1/? and then solve (ex: 2 to the power of neg. 2 = 1/2 to the power of 2 = 1/4)
-2 - 2 = -4
Well, isn't that a happy little question! When you see 4 to the power of minus 2, it means you're taking the number 4 and raising it to the power of -2. In other words, it's like dividing 1 by 4 squared, which equals 1/16. Just remember, there are no mistakes, just happy little accidents in math!
36 - 16 = 20
4 -22= -2 x -2 double minus there =4
-2 times -2 = plus 4 since minus times minus is plus
No.
1/2
(-2)^4 = -2 x -2 x-2 x-2 = +16 ( a minus times a minus is plus)
243 - 32 = 211
(w - 2)(w + 2)(w^2 + 4)
2(x + 2)(x - 2)(x2 + 2x + 4)(x2 - 2x + 4)
-1 -2 multiplied by another -2 equals 4 .4-5=-1
28 - 43 256 - 64 = 192 ■
It is plus 4