The uncertainty of the heavy object if the scale remains constant is 0.24 lbs.
The percent uncertainty in measuring the light weight object is calculated as follows;
[tex]= \frac{0.034}{11} \times 100\%\\\\= 0.309\%[/tex]
The uncertainty of the heavy object if the scale remains constant is calculated as follows;
[tex]= \frac{0.309}{100} \times 78.0 \ lbs\\\\= 0.24 \ lbs[/tex]
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