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Help?????????????????​

Help?????????????????​-example-1

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Answer:


1)-√(2.25) = - \sqrt{225 * {10}^( - 2) } \\ = -√(225) * \sqrt{ {10}^( - 2) } \\ =- 15 * {10}^( - 1) =- 1.5 = -(3)/(2) \\ 2) -(3)/(2) = -1.5 \\ thank \: you

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