Answered: Round 3.075 to 3 significant figures…

Introductory Chemistry For Today

8th Edition

ISBN:9781285644561

Author:Seager

Publisher:Seager

Chapter1: Matter, Measurements, And Calculations

Section: Chapter Questions

Problem 1.50E

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Question

Round 3.075 to 3 significant figures and put in scientific notation.

Expert Solution

Step 1

Rounding significant figures :-

* If the rightmost digit to be removed is greater that five then preceding digit is increases by one unit.

* If rightmost digit to be removed is less than five then preceding digit is unaltered.

* If right most digit to be removed is equals to five then , if the preceding digit is odd number it is increased by one unit and if it is even number it will be unaltered .

Scientific notation :-

Expressing a number in the form of

a.b×10ⁿ

Is called scientific notation

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