Multiple Choice Identify the
choice that best completes the statement or answers the question.
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Write the number in standard form.
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1.
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a. | 320,000 | c. | 3,200,000 | b. | 19,200,000 | d. | 32,000,000 |
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2.
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a. | 0.085 | c. | 0.17 | b. | 0.85 | d. | 0.0085 |
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Write the number in scientific notation.
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3.
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431,000
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4.
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0.00006
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5.
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Each year, more than 274,000,000 gallons of water are used to make man-made snow
at a ski resort. Write this number in scientific notation.
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Multiply. Write your answer in scientific notation.
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6.
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Add or subtract. Write your answer in scientific notation.
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7.
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+
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8.
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–
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Divide. Write your answer in scientific notation.
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9.
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( ) ¸ ( )
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Short Answer
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Tell whether the number is written in scientific notation.
Explain.
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1.
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2.
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3.
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The table shows the speed of sound through various substances. Substance | Gold | Glassware | Water | Air | Brass | Speed (km/h) | 1.2 | 2 | 5.4 | 1.2 | 1.7 | | | | | | |
a. Through which substance
does sound travel fastest? b. Through which substance does sound travel
slowest?
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4.
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The table shows the equatorial circumference of three planets in our solar
system. Order the circumferences from least to greatest. Planet | Circumference (km) | Uranus | | Neptune | | Mercury | | | |
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5.
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The power of a space shuttle is the combined force of the thrusters multiplied
by the velocity. The velocity of the shuttle is meters per second. What is the power
(in newton-meters per second) of the shuttle?
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