Unit 1: Real Numbers and Scientific Notation

Which Venn diagram best represents the relationship between Set Q and Set Z?

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Which list shows these numbers in order from least to greatest?

Which Venn diagram correctly describes the relationship between Set R and Set W?
R = {real numbers}
W = {whole numbers}

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The radius of the planet Neptune is approximately 15,300 miles. How is this number of miles written in scientific notation?

Which Venn diagram correctly represents the relationship between rational numbers and irrational numbers?

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The mass of a textbook is approximately 0.00165 metric ton. How is this number written in scientific notation?

• 165 × 10⁻⁵

• 1.65 × 10⁻³

• 16.5 × 10⁻⁴

• 0.165 × 10⁻²

Which list shows the numbers in order from greatest value to least value?

The table shows the diagonal lengths of TV screens at a store. Which TV screen has the smallest diagonal length in feet?

• W

• X

• Y

• Z

The density of oxygen is 0.001429 grams per cubic centimeter. How is this number written in scientific notation?

• 1.429 × 10³

• 1.429 × 10²

• 1.429 × 10⁻³

• 1.429 × 10⁻²