Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys
Chapter 1 - Real Numbers; Lesson 3: Multiply and Divide Monomials


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  • Question 13 (request help)

    Refer to the information in the table.

    a. How many times as great is one quadrillion than one million?
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  • Question 13 (request help)

    b. One quintillion is one trillion times as great as what number?
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Persevere with Problems Find each missing exponent.

  • Question 15 (request help)

    \(3\text{x}^{?}\cdot4\text{x}^{3} = 12\text{x}^{12}\)
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  • Question 16 (request help)

    \(\text{p}^{3}\cdot\text{p}^{?}\cdot\text{p}^{2} = \text{p}^{9}\)
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  • Question 19 (request help)

    \(2\text{x}^{?}\cdot\cfrac{3\text{x}^{2}}{\text{x}^{6}} = 6\text{x}^{3}\)
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  H.O.T. Problems Higher Order Thinking  

  • Question 20 (request help)

    Identify Structure Write a multiplication expression with a product of \(5^{13}\).
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  • Question 21 (request help)

    Justify Conclusions Is \(\cfrac{3^{100}}{3^{99}}\) greater than, less than, or equal to 3? Explain your reasoning to a classmate.
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  • Question 22 (request help)

    Persevere with Problems What is twice \(2^{30}\)? Write using exponents. Explain your reasoning.
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  • Question 23 (request help)

    Use a Counterexample Determine whether the statement below is true or false. If true, explain your reasoning. If false, give a counterexample.

                        For any integer a, \((-\text{a})^{2} = -\text{a}^{2}\).
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