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  1. 1

    Chemistry help please!!!!!!!!!!!10 pts!?

    1. 0.14 x 6.022 x 10^23 2. 4.0 x 10^4 x 5.021 x 10^-3 x 7.34993 x 10^-2 3. (2.00 x 10^6) / (3.00 x 10^-7) Please express your answers in significant figures.Thanks!
  2. 1

    Can I use images that I get from Image Google to create Flair on facebook???

    I don't know if I can do that because they are others' images. Can I just save them and then use them to make Flair??????
  3. 1

    Earth science, please help !!!!!!!!!10 pts!!!!!!?

    1. How does CO2 affect the changing of climate? 2. How does dust affect the changing of climate?
  4. 1

    Physics help, please?Thank you so much!!!!!!!!!!!?

    1. A force of 100 N is applied to a box of mass 20 kg of t an angle 45 degrees above the horizontal. Find mk given that the box accelerates 2.3 m/s/s. 2. A student decides to move a box of books across the floor by fulling on a rope attached to the box. She pulls with a force of 80 N at an...
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