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
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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?
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
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.