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Grade 8 McGraw Hill Glencoe - Answer Keys
Chapter 1 - Real Numbers; Lesson 2: Powers and Exponents
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Independent Practice
Write each expression using exponents. |
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Question 2
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\(3\cdot3\cdot5\cdot\text{q}\cdot\text{q}\cdot\text{q}\)
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Question 3
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\(\text{m}\cdot\text{m}\cdot\text{m}\cdot\text{m}\cdot\text{m}\)
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Evaluate each expression. |
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Question 7
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In the United States, nearly \(8\cdot10^{9}\) text messages are sent every month. About how many text messages is this?
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Question 8
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Interstate 70 stretches almost \(2^{3}\cdot5^{2}\cdot11\) miles accross the United States. About how many miles long is Interstate 70?
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Evaluate each expression. |
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Question 9
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\(\text{g}^{5} - \text{h}^{3}\) if g = 2 and h = 7
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Question 10
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\(\text{c}^{2} + \text{d}^{3}\) if c = 8 and d = -3
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Question 11
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\(\text{a}^{2}\cdot\text{b}^{6}\) if a = \(\cfrac{1}{2}\) and b = 2
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Question 12
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\((\text{r} - \text{s})^{2} + \text{r}^{2}\) if r = -3 and s = -4
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