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I really need help with this one I cant calculate it can someone help

  • math -

    You are not clear with your operators

    in (0.5x10-3) did you mean 0.5 x 10^-3 ?
    what about the 12 tagging along at the very end
    is it multiplied by 12 or is it an exponent?

  • math -

    yes I did mean 0.5x10^-3, an 12 is multiplied
    sorry im not very good at the computer stuff.

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