Square Root Help!!! Urgent:)

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Can you help with these please? I'm so bad at them!!

1. square root 160
2. square root -99
3. - Square root -169
4. square root -12

  • Square Root Help!!! Urgent:) -

    1. 4 times squareroot 10

    2. 3 times squareroot 11

    3. 13

    4. 2 times squareroot 3

  • Square Root Help!!! Urgent:) -

    Thanks SO much!! :) Helped a lot, from the answers, I could understand how to derive them! Thanks again!
    -Angellove:)

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