Three measurements are made as 18.425 cm...

Three measurements are made as 18.425 cm, 7.21 cm and 5.0 cm. The sum of measurements upto correct number of significant figure is

A

30.635 cm

B

30.64 сm

C

30.63 cm

D

30.6 cm

Text Solution

Verified by Experts

The correct Answer is:

D

Sum of the measurements is correct only upto one place of decimal corresponding to the least number of decimal places.
18.425 + 7.21 + 5.0 = 30.635 = 30.6 cm

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