Joseph's percentage error would be 1.89%
<u>Explanation:</u>
Exact value of the density of aluminium = 2.699 g/cm³
Calculated value of the density of aluminium = 2.75 g/cm³
Percentage error = ?
We know:
Therefore, Joseph's percentage error would be 1.89%
I am not sure about my answer, but I think that it's density allows it to fall to the ground/floor.
Answer: .
Explanation: .