+/- 16
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The answer to 2x2x2x2x2x2x2x2 is 256. This can be calculated by multiplying 2 by itself 8 times, which equals 256. This can also be written as 2^8, where the exponent indicates the number of times the base (2) is multiplied by itself.
The number "4"
256 x 14 = 3584
3.14 x 256 = 803.84
The square root of 256 is 16, so 16 times 16 equals 256. Another way to express this is 4 times 4 times 4 times 4, which also equals 256. In mathematical terms, this can be written as 4^4 = 256.