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 2: Scientific Notation with Positive Powers of 10


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  Guided Practice  

Write each number in scientific notation.

  • Question 1 (request help)

    58,927
    (Hint: Move the decimal left \(\color{blue}{4 }\) places)
  • Type below:
  • Question 2 (request help)

    1,304,000,000
    (Hint: Move the decimal left \(\color{blue}{9 }\) places.)
  • Type below:
  • Question 5 (request help)

    An ordinary quarter contains about 97,700,000,000,000,000,000,000 atoms.
  • Type below:
  • Question 6 (request help)

    The distance from Earth to the Moon is about 384,000 kilometers.
  • Type below:

Write each number in standard notation.

  • Question 7 (request help)

    \(4 \times 10^ 5\)
    (Hint: Move the decimal right \(\color{blue}{5 }\) places.)
  • Type below:
  • Question 8 (request help)

    \(1.8499 \times 10^ 9\)
    (Hint: Move the decimal right \(\color{blue}{9 }\) places.)
  • Type below:
  • Question 13 (request help)

    Diana calculated that she spent about \(5.4 \times 10^ 4\) seconds doing her math homework during October. Write this time in standard notation.
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  • Question 14 (request help)

    The town recycled \(7.6 \times 10 ^6\) cans this year. Write the number of cans in standard notation
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  ESSENTIAL QUESTION CHECK-IN  

  • Question 15 (request help)

    Describe how to write 3,482,000,000 in scientific notation.
  • Type below:

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