Can you guys tell the answer. i m just a kid who needs
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Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?
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Twice the sum of a number and 2 is equal to three times the difference of the number and 8. find the number.
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