math... help me.. please =)

Hello. I'm learning about simplying radicals and in one of the questions it has a variable to the second power like below:

1) square root of 28x^2
2) square root of 25x^2
3) square root of 80n^2

Can you answer at least one of them and explain what you did?
THANK YOU SO MUCH!!

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asked by Lola
  1. can someone help me.. please?

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    posted by Lola
  2. well i think it's
    1) 4x sq.root7
    2) 5x
    just basically sq. root them(for the exponent divide by the root(since its square root it's 2 you divide by)

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    posted by grant
  3. THANK YOU!
    Your answer is right I found it in class =)

    thx again =D

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    posted by Lola

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