3. (20 points) Density Measurement A student made five successive measurements t

Question

3. (20 points) Density Measurement A student made five successive measurements to deter- mine the density of copper He obtained the following 9.2 g/cm,and ps 10 g/cm The student calculated: 8/ cm Percent variation-: 21.19 % Percent differences: 6.473 % 1. Based on the information above, how precise is the density measurement? - very precise e precise e somewhat precise e not precise 2. Based on the information above, how accurate is the den- sity measurement? * very accurate eaccurate e somewhat accurate e not accurate

Explanation / Answer

percentage variation is 21.19% and it is high and percentage diffenence is 6.473% and it is not so high , so , density measurement is not precise and somewhat accurate

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