Grade 8 McGraw Hill Glencoe - Answer Keys Answer keys Chapter 1 - Real Numbers; Lesson 6: Scientific Notation

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Grade 8 McGraw Hill Glencoe - Answer Keys

Chapter 1 - Real Numbers; Lesson 6: Scientific Notation

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Question 12 (request help)
Model with Mathematics Refer to the graphic novel frame below for Exercises a-c.

a. Find Jacob's and Sarah's heights in nanometers.

	Jacob:		nanometers
	Sarah:		nanometers

Question 12 (request help)
c. Give an example of something that would be appropriately measured by nanometers.
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H.O.T. Problems Higher Order Thinking

Question 13 (request help)
Justify Conclusions Determine whether \(1.2\times10^{5}\) or \(1.2\times10^{6}\) is closer to one million. Explain.
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Question 14 (request help)
Persevere with Problems Compute and express each value in scientific notation.

a. \(\cfrac{(130,000)(0.0057)}{0.0004} =\)
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Question 14 (request help)
b. \(\cfrac{(90,000)(0.0016)}{(200,000)(30,000)(0.00012)} =\)
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Question 15 (request help)
Model with Mathematics Write two numbers in scientific notation with values between 100 and 1,000. Then write an inequality that shows the relationship between your two numbers.
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