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a sample of ore is found to be 0.0015% gold and 0.034% copper. what is the percentage of matter in the ore that is neither gold nor copper? round your answer to the nearest ten thousandth
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a sample of ore is found to be 0.0015% gold and 0.034% copper. what is the percentage of matter in the ore that is neither gold nor copper? round your answer to the nearest ten thousandth

User Laurens Kling
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100 - 0.034 - 0.0015 = 99.9645
User Joel Goodwin
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