2. Perform this operation and report the answer to the correct number of significant figures: What is the mass of a cube of aluminum that is 4.0 cm on each edge? The density of aluminum is 2.7 g/cm3. Show all calculations leading to an answer.

Question

2.	Perform this operation and report the answer to the correct number of significant figures:  What is the mass of a cube of aluminum that is 4.0 cm on each edge?  The density of aluminum is 2.7 g/cm3.  Show all calculations leading to an answer.

anonymous · Answer

Perform this operation and report the answer to the correct number of significant figures: What is the mass of a cube of aluminum that is 4.0 cm on each edge? The density of aluminum is 2.7 g/cm3. Show all calculations leading to an answer. 

Vcube= length-width-height 
Vcube = 3.0cm.3.0cm.3.0cm=27cm3 
2.7 g/cm3 = m/27cm3 
m=2.7g/cm3.27cm3 
m=73g

cuanchi · Answer

cube of aluminum that is 4.0 cm on each edge, no 3cm @ashleyrh1999
review the calculations