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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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Physical Science

The table shows the length of the radii of several very small or very large items. Complete the table.

  • Question 34 (request help)

    List the items in the table in order from the smallest to the largest.
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  H.O.T.  

  Focus on Higher Order Thinking  

  • Question 35 (request help)

    Analyze Relationships

    Write the following diameters from least to greatest. \(1.5 \times 10 ^{-2} \text{m}\) ; \(1.2 \times 10^ 2\text{ m}\) ; \(5.85 \times 10^{ -3}\text{ m}\) ; \(2.3 \times 10^{ -2}\text{ m}\) ; \(9.6 \times 10^{-1}\text{ m}\).
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  • Question 36 (request help)

    Critique Reasoning

    Jerod’s friend Al had the following homework problem:


    Express \(5.6\times10^{-7}\) in standard form.


    Al wrote 56,000,000. How can Jerod explain Al’s error and how to correct it?
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  • Question 37 (request help)

    Make a Conjecture

    Two numbers are written in scientific notation. The number with a positive exponent is divided by the number with a negative exponent. Describe the result. Explain your answer.
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