Exam 1: Essentials: Units, Measurements, and Problem Solving

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A piece of metal ore weighs 9.25 g.When a student places it into a graduated cylinder containing water,the liquid level rises from 21.25 mL to 26.47 mL.What is the density of the ore?

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What decimal power does the abbreviation p represent?

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What is the volume (in cm3)of a 9.37 g piece of metal with a density of 4.66 g/cm3?

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How many of the following numbers contain 3 significant figures? 0)509 1.050 0.0 500 1.06 × 1024

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Meter is a measure of

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Determine the volume of an object that has a mass of 455.6 g and a density of 19.3 g/cm3.

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How many significant figures are there in the answer for the following problem? 34)2 + 0.6699 + 18 = ?

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Define energy.

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Identify the exact number.

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Which of the following is the greatest mass?

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Match the following.
mega
10-³
kilo
10³
deci
10-¹
Correct Answer:
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Premises:
Responses:
mega
10-³
kilo
10³
deci
10-¹
nano
10-⁶
centi
10-⁹
milli
10-²
micro
10⁶
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How many significant figures are there in the answer for the following problem? How many significant figures are there in the answer for the following problem?   = ? = ?

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Define random error.

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Read the length of the metal bar with the correct number of significant figures. Read the length of the metal bar with the correct number of significant figures.

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A student performs an experiment to determine the density of a sugar solution.She obtains the following results: 1.11 g/mL,1.81 g/mL,1.95 g/mL,1.75 g/mL.If the actual value for the density of the sugar solution is 1.75 g/mL,which statement below best describes her results?

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The width,length,and height of a large,custom-made shipping crate are 1.22 m,3.22 m,and 0.54 m,respectively.The volume of the box using the correct number of significant figures is ________ m3.

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Identify the common substance that has the lowest density.

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Convert 10,000 cm3 to m3.

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The diameter of an atom is approximately 1 × 10-10 m.What is the diameter in picometers?

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Because of the high heat and low humidity in the summer in Death Valley,California,a visitor requires about one quart of water for every two miles traveled on foot.Calculate the approximate number of liters required for a person to walk 25 kilometers in Death Valley.

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