Choose from each of four options for the correct scientific notation:  A. 0.0047 Move the decimal point two places to the right to give 4.7×10-3 Move the decimal point three places to the right to give 4.6×10-4 Move the decimal point three places to the right to

Introductory Chemistry For Today
8th Edition
ISBN:9781285644561
Author:Seager
Publisher:Seager
Chapter1: Matter, Measurements, And Calculations
Section: Chapter Questions
Problem 1.62E
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Choose from each of four options for the correct scientific notation: 

A. 0.0047
Move the decimal point two places to the right to give 4.7×10-3
Move the decimal point three places to the right to give 4.6×10-4
Move the decimal point three places to the right to give 4.7×10-3
Move the decimal point three places to the left to give 4.7×10-3
 
B. 390
 
Move the decimal point three places to the left to give 3.9×10-3
Move the decimal point two places to the right to give 3.9×10-2
Move the decimal point three places to the right to give 3.9×102
Move the decimal point two places to the left to give 3.9×102
 
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 C.

890 000 000
 
Move the decimal point eight places to the left to give 8.9×108
Move the decimal point eight places to the left to give 8.9×10-8
Move the decimal point seven places to the left to give 8.9×107
Move the decimal point nine places to the left to give 8.9×109
 
 

 D.

0.000 000 053
 
Move the decimal point eight places to the left to give 53×10-9
Move the decimal point nine places to the left to give 5.3×10-8
Move the decimal point nine places to the right to give 53×10-9
Move the decimal point eight places to the right to give 5.3×10-8
 
 
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