Multiple Choice
Identify the choice that best completes the
statement or answers the question.
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1.
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Why is 100 a perfect square?
A | The square root of 100 is a whole number. | B | The number 100 can be
evenly divided by 4. | C | Our number system is based on the number
100. | D | A square with an area of 100 is the only perfect
square. |
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2.
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The land area of Virginia is about 39,600 square miles. What is the area of the
state in scientific notation?
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3.
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What is 1.2  10  in standard notation? A | 12 | C | 120,000 | B | 12,000 | D | 1,200,000 |
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4.
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The Pacific Ocean covers approximately 64,186,300 square miles of Earth’s
surface, while the Atlantic Ocean stretches for about 33,420,000 square miles. Express both of these
areas in scientific notation.
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5.
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Mount McKinley in Alaska rises 20,320 feet in the air while Mount Kosciusko in
Australia rises 7,310 feet. What is the difference in the height of these mountains? Express your
answer in scientific notation.
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