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Chem Exam Ch. 2

Final Exam

QuestionAnswer
Quantitative observations are recorded using numerical information
The SI unit for length and mass are meter and kilogram
A change in the force of earths gravity on an object will affect its weight
poor precision in scientific measurements may arise from both human error and limitations of the measureing instruement
The number of sgnificant figures in the measurement 0.00305 is 3
The number fo significant figures in the measured value 0.00320 3
Standards are chosen because they are reproducible in another laboratory
the metric unit for lenght that is closest to the thickness fo a dime is the millimeter
The symbol that represents the measured unit for volume is mL
In division and multiplication, the answer must not have more significant figures than the number in the calcultation with teh fewest significant figures
Created by: Terry22