No number. It is impossible.
-2*-2=4
* * * * *
True, if constrained to the Real numbers. If complex numbers are allowed, then the answer is 2i where i is the imaginary square root of -1.
Chat with our AI personalities
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.
the number of times a certain number is to be multiplied by itself: 2 to the power of 4 equals 16.
16. 4 multiplied by itself equals 16.
25
7