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    identify any calculations that are meaningless and evaluate those that are valid?
    63s+52s-34s-41s
    i dont know what i am supposed to do with that, it doesen't even equal anything, i dont understand the question either. please help
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    (Original post by p29)
    identify any calculations that are meaningless and evaluate those that are valid?
    63s+52s-34s-41s
    i dont know what i am supposed to do with that, it doesen't even equal anything, i dont understand the question either. please help
    The statement on it's own is meaningless. You are not told what it equals and therefore it cannot be evaluated. Remember the first rule in physics is to not make any assumptions.
 
 
 
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