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Author Question: Which of the following expresses 3 10-4 m correctly using the metric prefixes given? (Read 65 times)

bclement10

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Which of the following expresses 3  10-4 m correctly using the metric prefixes given?
 
Question 2

Suppose that the three fundamental standards of the metric system were length, density, and time rather than length, mass, and time. The standard of density in this system is to be defined as that of water. Which of the following are among the considerations about water that you would need to address to make sure that the standard of density is as accurate as possible?
 
   (i) That the amount of water is at some defined value.
   (ii) That the pressure of the water is at some defined value.
   (iii) That the temperature of the water is at some defined value.
   (iv) That the water is pure.


  1.(ii), (iii) and (iv)
  2.(i) only
  3.all four
  4.(i), (ii), and (iii)



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zhanghao

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Answer to Question 1

4

Answer to Question 2

1




bclement10

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Reply 2 on: Jul 28, 2018
Excellent


Zebsrer

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Reply 3 on: Yesterday
:D TYSM

 

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