Answered: Round off to three significant figures…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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page 3

Round off to three significant figures and express in scientific notation.

0.003265 m

3.3×10−4m

3.27×10−3m

3.27×10−4m

3.265×10−3m

Expert Solution

Step 1

Before doing the significant figure problem we must known the significant figure rule ,

zero can not count as a significant number if it place before the decimalpoint and no other integer present before the decimal point
if the fraction part is start with zero then that zero before the integer number can not be claculate as significant number .
all non zero interger after the decimal point is considered as the significant number
after the decimal point all zero between two non zero integer considers as significant number
zero at the end of the fraction part is considered after the non zero integer considered as a significant number

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