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Cayden has several screws on a scale, and the scale reads 
80.955g. Cayden adds 1 more screw, and the scale reads 
84.81g.
What is the mass of the last screw Cayden adds?
g

Cayden has several screws on a scale, and the scale reads 80.955 g 80.955 \mathrm{~g} . Cayden adds 11 more screw, and the scale reads 84.81 g 84.81 \mathrm{~g} .\newlineWhat is the mass of the last screw Cayden adds?\newlineg

Full solution

Q. Cayden has several screws on a scale, and the scale reads 80.955 g 80.955 \mathrm{~g} . Cayden adds 11 more screw, and the scale reads 84.81 g 84.81 \mathrm{~g} .\newlineWhat is the mass of the last screw Cayden adds?\newlineg
  1. Identify Initial and Final Mass: Identify the initial and final mass readings on the scale.\newlineInitial mass reading: 80.955g80.955\,\text{g}\newlineFinal mass reading after adding one screw: 84.81g84.81\,\text{g}
  2. Calculate Mass of Last Screw: Calculate the mass of the last screw added by subtracting the initial mass from the final mass.\newlineMass of the last screw = Final mass - Initial mass\newlineMass of the last screw = 84.81g80.955g84.81\text{g} - 80.955\text{g}
  3. Perform Subtraction: Perform the subtraction to find the mass of the last screw.\newlineMass of the last screw = 84.81g80.955g84.81\text{g} - 80.955\text{g}\newlineMass of the last screw = 3.855g3.855\text{g}

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