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Chem 1201 Hopkins Exam 1 Practice Questions and Answers

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Chem 1201 Hopkins Exam 1 Practice Questions and Answers When multiplying/dividing, how many significant figures will the answer have? - ANSWER-The answer will have the same number of significant figures as the number with the least number of sig figs in the calculation. When adding/subtracting...

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  • November 3, 2024
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Chem 1201 Hopkins Exam 1 Practice

Questions and Answers


When multiplying/dividing, how many significant figures will the answer have? - ANSWER✔✔-The

answer will have the same number of significant figures as the number with the least number of sig figs

in the calculation.


When adding/subtracting, how many sig figs will the answer have? - ANSWER✔✔-You would round the

answer to the least significant digit. That is not the same thing as rounding to the least number of sig figs


Density - ANSWER✔✔-a physical property that measures the mass of an object per unit volume; it is a

physical quantity that connects mass and volume


1 GM=? - ANSWER✔✔-1 gigameter = 1.0*10^9 meters


1 MG=? - ANSWER✔✔-1 megameter = 1.0*10^6 meters


1 km=? - ANSWER✔✔-1 kilometer = 1.0*10^3 meters


1 dm=? - ANSWER✔✔-1 decimeter = 1.0*10^-1 meters


1 cm=? - ANSWER✔✔-1 centimeter = 1.0*10^-2 meters


1 mm=? - ANSWER✔✔-1 millimeter = 1.0*10^-3 meters


1 µm=? - ANSWER✔✔-1 micrometer = 1.0*10^-6 meters


1 nm=? - ANSWER✔✔-1 nanometer = 1.0*10^-9 meters


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