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sqrt(27x)9 = (27x)9/2 = 27x4.5

While that can be simplified somewhat, it will leave a surd - sqrt(3x) - in the answer. Whether or not simplification is worthwhile, therefore, depends on what is to be done with the answer.

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sq. root ( 279) ?

on calculator:

27, x^y, 9, =, inv, x^2

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2761448.4397

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Q: What is the square root of 27x to the 9th power?
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