8th STAAR - 2A/2C (real number diagrams and Sci. Not.)

Set Q and Set Z are subsets of the real number system.

Q = {rational numbers}

Z = {integers}

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

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Which Venn diagram correctly represents the relationship between RATIONAL numbers and IRRATIONAL numbers?

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Which Venn diagram describes the relationship between Set R and Set W?

R = {real numbers}

W = {whole numbers}

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What are 2 types of numbers in the Real Number System that have no numbers in common (2 separate circles in a diagram)?

• Rational and Real

• Integers and Whole Numbers

• Natural numbers and Real Numbers

• Rational and Irrational

The area of a piece of land is 4,951,000 square meters. How is this number of square meters written in scientific notation?

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

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

Jamie used a microscope to measure the diameter of a hair. She found the diameter of the hair was 0.000072 meter. How is this number written in scientific notation?

There are a total of 463,100 books in a library. What is the value of the exponent when this number is written in scientific notation?

Mr. Freeman hit the $15,800,000 jackpot! What is this number written in scientific notation?