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This online chemistry lab won't accept my answer, WHY?

  1. Sep 6, 2011 #1
    This online chemistry lab won't accept my answer, WHY?!?!?

    1. The problem statement, all variables and given/known data
    Ok, I'm doing this lab, and it won't accept my answers. I can garuntee you that they're correct. Maybe I'm typing them in wrong? I've missed soo many attempts, I look at what the system says, but it says the answer is extremely close or there is a labels problem.

    Here's a picture of the problems that it won't accept:
    http://postimage.org/image/pcm8jngk/" [Broken]

    Everytime I click submit, it says 6 attempts left. I asked a few class mates and they said my answer is right.

    What seems to be the problem here?
     
    Last edited by a moderator: May 5, 2017
  2. jcsd
  3. Sep 6, 2011 #2

    tiny-tim

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    Science Advisor
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    Welcome to PF!

    Hi NoobSchooled! Welcome to PF! :smile:

    Looks right, must be the typing …

    why have you put those spaces in 7.9e - 6m3 ?

    (btw, this is really a maths forum question)
     
  4. Sep 6, 2011 #3
    Re: Welcome to PF!

    Hmmm...your work seems right to me. maybe you typed it wrong?
     
    Last edited: Sep 6, 2011
  5. Sep 6, 2011 #4

    Borek

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    Staff: Mentor

    Re: This online chemistry lab won't accept my answer, WHY?!?!?

    There is no manual, that will tell you how to enter numbers and answers? These systems quite often understand only answers that are entered exactly the way they want it; no flexibility at all. Perhaps no space, perhaps it expects capital E or something like that. Or perhaps you are using unsupported browser.
     
  6. Sep 8, 2011 #5

    NascentOxygen

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    Staff: Mentor

    Re: This online chemistry lab won't accept my answer, WHY?!?!?

    What's the URL of the online lab? I'll take a look at it.
     
  7. Sep 8, 2011 #6

    Borek

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    Staff: Mentor

    Re: This online chemistry lab won't accept my answer, WHY?!?!?

    My guess is that you won't take a look without registering and paying - and that's assuming it is possible to register in person, not through the course.
     
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