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5.Macy measured the mass of a 69.3 g mouse at 70.0 g.

Eli measured the mass of a 3867 kg elephant at 3900 kilograms.


Macy's error was 70-69.3 = 0.7 g-- about half the mass of a paperclip.



AWhat was Eli's error?



BName an object of this approximate mass.



CAccuracy can be defined in terms of percent error. Who was more accurate, Macy or Eli? Justify your answer with mathematics.

30 Points!!!

Verified Answer :

AEli's error was 3900-3867=33 kg.

B.  A fairly small child would weigh about 33 kilograms.

C.  Macy's percent error was .7/70=.01, or 1%.  Eli's was 33/3900.0085, or .85%.  Macy's percent error was larger, so Eli is more accurate.

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