4 or -4 to the fourth power equal 256
To find the number that, when multiplied by itself 4 times, equals 256, you need to find the fourth root of 256. The fourth root is the number that, when multiplied by itself four times, gives you 256. In this case, the fourth root of 256 is 4, because 4 x 4 x 4 x 4 equals 256. Therefore, the number you are looking for is 4.
256
256
256
256.
the answer is 256:]
4^4 = 256
16*16 = 256
-4, +4, -4i and 4i
44 = 256
Do you mean: x8 = 256 If so: x = 2 because 28 = 256