When serious work needs to be done with radicals,
they are usually changed to a name that uses exponents,
so that the exponent laws can be used.
Also, this new name for radicals allows them to be approximated on any calculator that has a power key.
Here are the rational exponent names for radicals:
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$\sqrt{x} = x^{1/2}$
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$\root 3\of{x} = x^{1/3}$
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$\root 4\of{x} = x^{1/4}$
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$\root 5\of{x} = x^{1/5}$
and so on!
Regardless of the name used, the normal restrictions apply.
For example,
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$\,x^{1/2}\,$ is only
defined for
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$\,x\ge 0\,$.
Write in rational exponent form:
CONCEPT QUESTIONS EXERCISE:
On this exercise, you will not key in your answer.However, you can check to see if your answer is correct. 
PROBLEM TYPES:
