Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 HMH Go Math - Answer Keys
Chapter 2:Exponents and Scientific Notation; Lesson 3: Scientific Notation with Negative Powers of 10


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  Guided Practice  

Write each number in scientific notation. 

  • Question 1 (request help)

    0.000487
    Hint: Move the decimal right \( \color{blue}4\) places.
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  • Question 2 (request help)

    0.000028
    Hint: Move the decimal right \(\color{blue}5\) places
  • Type below:
  • Question 5 (request help)

    Picoplankton can be as small as 0.00002 centimeter.
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  • Question 6 (request help)

    The average mass of a grain of sand on a beach is about 0.000015 gram.
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Write each number in standard notation. 

  • Question 7 (request help)

    \(2 \times 10^{ -5}\)
    Hint: Move the decimal left \(\color{blue}5\) places.
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  • Question 8 (request help)

    \(3.582 \times 10^{ -6}\)
    Hint: Move the decimal left \(\color{blue}6\) places.
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  • Question 13 (request help)

    The average length of a dust mite is approximately 0.0001 meter. Write this number in scientific notation.
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  • Question 14 (request help)

    The mass of a proton is about \(1.7 \times 10^{ -24 }\) gram. Write this number in standard notation.
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  ESSENTIAL QUESTION CHECK-IN  

  • Question 15 (request help)

    Describe how to write 0.0000672 in scientific notation.
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