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  1. Write 162 as a product of its prime factors.
  2. Replace any prime which is raised to an even power to a prime raised to half that power and place is before the radical sign.
  3. Multiply all the remaining factors and put the answer under the radical sign.

So, 162 = 2*3^4

=3^2 * sqrt(2) or 9*sqrt(2)

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9y ago

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