Answer: the uncertainty in the mass of the object is 0.007 g.
Step-by-step explanation:
The uncertainty in the mass of the object can be calculated using the formula for absolute uncertainty:
Absolute uncertainty = Maximum measured value - Minimum measured value / 2
In this case, the maximum measured value is 2.758 g and the minimum measured value is 2.744 g.
Plugging these values into the formula, we get:
Absolute uncertainty = (2.758 g - 2.744 g) / 2
= 0.014 g / 2
= 0.007 g
So, the uncertainty in the mass of the object is 0.007 g.
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