of a human hair)17. Express each of the following in decimal notation:a. 149 X 10° km (average distance between Earthand the Sun)b. 7.9 × 101" m (radius of a hydrogen atom)c. 4.54 × 10° yr (age of Earth)zil d. 6.4 X 10° m (radius of Earth)

Answered: of a human hair) 17. Express each of…

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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of a human hair)
17. Express each of the following in decimal notation:
a. 149 X 10° km (average distance between Earth
and the Sun)
b. 7.9 × 101" m (radius of a hydrogen atom)
c. 4.54 × 10° yr (age of Earth)
zil d. 6.4 X 10° m (radius of Earth)

Expert Solution

Step 1

" Since you have asked multiple questions, we will solve the first question for you. If you want any specific question to be solved then please specify the question number or post only that question."

Step 2

Conversion of scientific notation to decimal notation.

General scientific notation is a x 10^b;
a = non zero digit before decimal and b = exponent
Move decimal point same number of places of exponent.
If exponent term is positive = move decimal place to Right
If exponent term is negative = move decimal place to left
Number of significant figures in question and answer must remain same.

Step 3

149 x 10⁶ Km

Exponent term is +6

Move 6 decimal places to right

149 x 10⁶ Km = 149000000 Km (3 significant figures)

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