Determine the density of an object (in g/cm³) if it has a mass of 8.807 g and a volume of 2.55 ml. Report your answer with the correct number of significant units (3 sig figs in this case). Do NOT include the units in your answer.

Question

Anonymous · Answer

7 12 7 ​ + ( 3 2 1 ​ + 1 8 7 ​ ) = = 12 91 ​ + ( 8 28 ​ + 8 15 ​ ) = = 12 91 ​ + 8 43 ​ = 24 162 + 129 ​ = = 24 291 ​ = 12 24 3 ​ = 12 8 1 ​

noltecm · Answer

24.0416 with a line above the 6 ;

Anonymous · Answer

To calculate the sum 7 12 7 ​ + ( 3 2 1 ​ + 1 8 7 ​ ) , we convert each mixed number to an improper fraction and find a common denominator. The simplified sum is 12 24 23 ​ . 
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Determine the density of an object (in g/cm³) if it has a mass of 8.807 g and a volume of 2.55 ml. Report your answer with the correct number of significant units (3 sig figs in this case). Do NOT include the units in your answer.

Answer (3)

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