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Author Question: What is the sum of 2.67 + 1.976 + 2.1 expressed to the correct number of significant figures? A) ... (Read 93 times)

EAugust

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What is the sum of 2.67 + 1.976 + 2.1 expressed to the correct number of significant figures?
 
  A) 6.7
  B) 6.75
  C) 6.746
  D) 6.7460

Question 2

Person X pushes twice as hard against a stationary brick wall as person Y. Which one of the following statements is correct?
 
  A) Both do positive work, but person X does four times the work of person Y.
  B) Both do positive work, but person X does twice the work of person Y.
  C) Both do the same amount of positive work.
  D) Both do zero work.
  E) Both do positive work, but person X does one-half the work of person Y.


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ynlevi

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EAugust

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Reply 2 on: Jul 29, 2018
Excellent


hollysheppard095

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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