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A number, x, multiplied by itself once is x^2. It is NOT x.
The number, x, multiplied by itself twice is then x^3.
The number, x, multiplied by itself three times is then x^4.
Thus x is the 4th root of 27.
So x = 27^(1/4) = +/- 2.2795 and +/- 2.2795*i where i is the imaginary square root of -1.
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Is a cube a number multiplied by itself twice?
no its when its multiplied by itself 3 times for instance 33 is 3x3x3 which is 27.
This is a number that when multiplied by itself three times equals a given number.?
It is a cube number as for example 3*3*3 = 27 which is a cube number.
What number multiplied itself equals 729?
27 multiplied by itself is 729 and is called the square root of 729. It can be written like this: 272.
Why isn't 56 a cube number?
No number multiplied by itself three times gives 56. The nearest ones are 3 cubed is 27 and 4 cubed is 64.
What does the little 2 mean in math?
I think you mean the symbol for the power to which a number is raised. The two is called "squared"- that is when a number is multiplied times itself- 3 squared is 9. You will also see the small 3- "Cubed"- number times itself, times itself. 3 cubed is 27- 3x3x3.
