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Pre Algebra Questions & Answers

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9) \( \sqrt[3]{27 \times 8000}= \)
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e) \( \sqrt[4]{256 \times 16}= \)
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TEST Indica il valore della seguente espressione: \( \sqrt{\sqrt[3]{2} \sqrt{(\sqrt{8})^{5}}} \). \( \begin{array}{ll}\text { A } 2 \cdot \sqrt[12]{2^{5}} & \text { C } \sqrt[5]{2} \\ \text { B } \sqrt[24]{2^{19}} & \text { D } 2 \cdot \sqrt[24]{2^{5}}\end{array} \)
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e: \( \sqrt[3]{2 \sqrt{(\sqrt{8})^{5}}} \)
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0. Write two numbers that have a greatest common factor of 2 and a least common multiple of 30 .
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Complete this equation \( \frac{2}{5}+\frac{3}{5}+\frac{1}{5}+\square=\frac{9}{5} \)
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5. En nuestro planeta, la superficie ocupada por los océanos es aproximadamente \( 3,6 \times 10^{14} \mathrm{~m}^{2} \) y su profundidad es \( 3,7 \times 10^{3} \mathrm{~m} \). Volumen \( = \) área superficie \( \times \) altura. ¿Cuál de las siguientes expresiones representa el volumen aproximado, en \( \mathrm{m}^{3} \), de agua oceánica en el planeta? A. \( (3,6 \times 3,7) \times 10^{42} \) B. \( (3,6 \times 3,7) \times 10^{11} \) C. \( (3,6 \times 3,7) \times 10^{17} \) D. \( (3,6 \times 3,7) \times 10^{4.6} \)
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\begin{tabular}{|l|}\hline Thurs day: \\ At Still Bay Middle School, 3 out of 5 teachers have earned their masters degrees. \\ If there are 30 teachers at the school, how many of them have earned their \\ masters degrees? (HINT: set up equivalent ratios and solve!) \end{tabular}
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\( (1-\frac{1}{2})\times (1-\frac{1}{3})\times (1-\frac{1}{4})\times ....\times (1-\frac{1}{10})= \)
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3. Function \( f \) gives the temperature, in degrees Celsius, \( t \) hours after midnight. Use function notation to write an equation or expression for each statement. a. The temperature at 12 p.m.

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