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Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter1: Basic Concepts Of Chemistry
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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