Take your number to the exponent (1/4).
Example: Fourth root of 16.
16^ (1/4) = 2
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Negative fourth root of a number= 1/the fourth root of the number. Fourth root of 625= 5 (5*5*5*5) 1/5
The fourth root of +100 is 3.16228. (rounded)A negative number can't have a real even-numbered root.Technically, the 4th root of -100 is 3.16228 i."i" is ( or "i am") the square root of -1 .
The fourth root of 869,841,269.84 is: 171.73547
The fourth root of a number is the number that, when multiplied by itself four times, equals the original number. In this case, the fourth root of 243 is approximately 3. The calculation is done by finding the number that, when raised to the power of 4, equals 243.
The real fourth root of 0.0001 are -0.1 and +0.1