Answered: Zeroes at the end of the number are…

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter1: A Physics Toolkit

Section: Chapter Questions

Problem 39A

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Question

Zeroes at the end of the number are significant, such as 0.120. True?

Expert Solution

Step 1

The number of zeroes that are leading a non-zero number are insignificant. The zero preceding the decimal in 0.120 is insignificant.

Step 2

Any trailing zero which is towards the right of a non-zero number or at the end of a number, is significant.

Therefore for the number 0.120, the zero to the right of the digit 2 is significant. Therefore the number has 3 significant digits 1, 2 and 0 which is the trailing zero.

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