Round each number to 4 significant figures: 0.00470060 _________________ 438990_____439000____ 1.2456x104 ___________________ 2.05 ________________

Round each number to 4 significant figures: 0.00470060 _______________ 438990_439000 1.2456x104 _ 2.05

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter2: Analyzing Data

Section2.2: Scientific Notation And Dimensional Analysis

Problem 11PP

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Concept explainers

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.

Question

Round each number to 4 significant figures:

0.00470060 _________________

438990_____439000____

1.2456x10⁴ ___________________

2.05 ________________

Expert Solution

Step 1

0.00470060 = 0.004701 ( upto four significant number)

438990 = 439.0 x 10³ where as 439000 = 439.0 x 10³

1.2456 x 10⁴ = 1.246 x 10⁴

2.05 = 205.0 x 10^-2

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