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Earn +20 ptsQ: Is 18 cubed rational
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Related questions
Is a rational number cubed always rational?
Yes.
Is the cubed root of 63 rational?
No.
Is 3 cubed irrational?
No because 3 cubed is 27 which is a rational number
Is 2 cubed rational?
I assume by 2 cubed you mean 2^3. That equals 2 * 2 * 2 which equals 8. 8 is rational, so yes.
Is -18 rational?
-18 is a rational number
Is 18 to the third power cubed?
18 to the third power means the same as 18 cubed, which equals 5,832.
How do you factor x cubed minus four?
There are no factors with rational coefficients.
What is a rational number whose cubed root is a whole number?
8
Why is 343 cubed root rational?
Because the cube root of 343 is an integer.
Is 18 out of 2 rational?
Yes, any number that can be expressed as a fraction is rational. Since 18 out of 2 is the same as 18/2, it is rational.
What rational number whose cubed root is a whole number?
-27 is one possible answer.
What is 18 cubed?
5832.
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