Respuesta :
Answer:
The mass of the last screw added is 3.855 grams.
Step-by-step explanation:
if you take 84.81 and subtract the original mass you should get the weight that was added.
Hope this helps.
Answer:
Step-by-step explanation:
The mass of the last screw is 3.855 because the question trying to figure out how much mass is the last screw.To do that you just have to subtract and r answer