anonymous
  • anonymous
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 answe
Chemistry
jamiebookeater
  • jamiebookeater
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taramgrant0543664
  • taramgrant0543664
First step is to calculate the volume of the cube V= lengh x width x height We know each of these measurements are 4 cm so the volume is?
taramgrant0543664
  • taramgrant0543664
Once you find the volume you can then use the formula M=VD where M is the mass that you're trying to find, V is the volume you found in the first step and D is the density that is given
taramgrant0543664
  • taramgrant0543664
Rules when multiplying for significant figures are: a) First perform all the operations, even if changing from one formula to another. b) Round off the result so that it has the same number of sig figs as the least of all those used in your calculation.

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