4 or -4 to the fourth power equal 256
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44 = 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.
Any number raised to the fourth power means that it is multiplied by itself four times.Thus 4 to the fourth is4 X 4 X 4 X 4 = 256
256 = (16)2 256 = (2)8
2561/4 = 4√256 = 4 CHECK : 4 x 4 x 4 x 4 = 256.