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lizbeth696
15.10.2019 •
Chemistry
015
2. pete's three measurements are 20.9 cm, 21.0 cm, and 21.0 cm. calculate the
average value of his measurements and express the answer with the correct
number of significant figures.
?
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Ответ:
Average of measurements = 20.97 cm
Explanation:
Given data:
Three measurements of pete's = 20.9 cm, 21.0 cm, 21.0 cm.
Average value of measurements = ?
Formula:
Average of measurements = sum of all measurements / Total number of measurements
Solution:
Average of measurements = 20.9 cm + 21.0 cm + 21.0 cm. / 3
Average of measurements = 62.9 cm / 3
Average of measurements = 20.97 cm
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Explanation: