Answered: Zeroes at the end of the number are…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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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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