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Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
ChapterA: Scientific Notation And Experimental Error
Section: Chapter Questions
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Four research teams measured the mass of a fossilized sauropod skull, and what each team wrote in its team notebook is shown in the table below.
Suppose a later and more reliable measurement gives 7.70 kg for the mass of the same fossil. Decide which of the earlier measurements was the most
accurate, and which was the most precise.
team
A
B
C
D
what was written
in the notebook
"7.3kg +0.2kg"
"8.1kg"
"between 7.72kg and 7.76kg"
"7.50kg ±0.50%"
most accurate
measurement
most precise
measurement
X
S
Transcribed Image Text:Four research teams measured the mass of a fossilized sauropod skull, and what each team wrote in its team notebook is shown in the table below. Suppose a later and more reliable measurement gives 7.70 kg for the mass of the same fossil. Decide which of the earlier measurements was the most accurate, and which was the most precise. team A B C D what was written in the notebook "7.3kg +0.2kg" "8.1kg" "between 7.72kg and 7.76kg" "7.50kg ±0.50%" most accurate measurement most precise measurement X S
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