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Module 1 - Extra Practice Problems

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
1. Two students measure the mass of an object. The teacher knows that the mass is 4.5 g. The first student uses one scale and reports a mass of 4.4 g. The second student uses a different scale and reports a mass of 4.210 g. Which student is more precise?   The first student.  
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1.(continued) Which is more accurate?   The second student.  
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2. How many cg are in 13.1 g?   1310 cg  
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3. If an object has a volume of 45.1 mL, what is its volume in liters?   0.0451 L  
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4. If a road is 13.1 miles long, how many inches long is it?   830,016 in.  
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5. The volume of a box is given by the equation: (V = length ∙ width ∙ height) If a box measures 1.2 m by 3.4 m by 0.50 m, what is its volume in liters?   2040 L  
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6. Convert the number 0.00341 to scientific notation.   3.41 x 10⁻³  
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7. Convert the number 1.18 x 10⁷ into decimal notation.   11,800,000  
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8. How many significant figures are in the number 4500?   Two.  
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9. How many significant figures are in the number 0.0405?   Three.  
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10. How many significant figures are in the number 0.04500?   Four.  
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11. If the mass of a liquid is 23.13 grams and its volume is 35.0 mL, what is its density?   0.661 grams per mL  
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12. The density of a metal is 2.12 grams per mL. What is the volume of 45 g of the metal?   21.23 mL  
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13. What is the mass of 0.67 liters of gold?   1.3 x 10⁴ g  
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Created by: LiseBrinkley
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