Grade 8 | Unit 7 | Lesson 11: Representing Small Numbers on the Number Line | Practice Problems

Select all the expressions that are equal to 4 \cdot 10^{-3}:

• 4 \cdot (\frac{1}{10}) \cdot (\frac{1}{10}) \cdot (\frac{1}{10})

• 4 \cdot 0.001

• 4 \cdot (-10) \cdot (-10) \cdot (-10)

• 4 \cdot 0.0001

• 0.004

Write each expression as a multiple of a power of 10: 0.04

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Write each expression as a multiple of a power of 10: 0.072

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Write each expression as a multiple of a power of 10: 0.0000325

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Write each expression as a multiple of a power of 10: Three thousandths

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Write each expression as a multiple of a power of 10: 23 hundredths

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Write each expression as a multiple of a power of 10: 729 thousandths

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Write each expression as a multiple of a power of 10: 41 millionths

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A family sets out on a road trip to visit their cousins. They travel at a steady rate. The graph shows the distance remaining to their cousins' house for each hour of the trip. How fast are they traveling?

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A family sets out on a road trip to visit their cousins. They travel at a steady rate. The graph shows the distance remaining to their cousins' house for each hour of the trip. Is the slope positive or negative? Explain how you know and why that fits the situation.

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