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PBA 2 Question & Answer Key Resources Lumos Assessment Master Course - Grade 8 Mathematics

Lumos Assessment Master Course - Grade 8 Mathematics PBA 2

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John and Gina are ordering the following set of real numbers from least to greatest: {-7, \(\frac{3}{2}\), \(\sqrt{9}\), π, \(\frac{-1}{2}\)}.

John said that they should go in the following order:

{\(\frac{-1}{2}\), -7, π, \(\sqrt{9}\), \(\frac{3}{2}\)}.

Gina says they should be in the following order:

{-7, \(\frac{-1}{2}\), \(\frac{3}{2}\), \(\sqrt{9}\), π}.

Who is correct and why? Explain your answer in the space below.