maddievaughn maddievaughn

15-10-2019
Chemistry

contestada

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.
Help?

Respuesta :

17-10-2019

Answer:

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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