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7. The element califomium (Cf) sells for $1000 per g. Assuming 6.021023 atoms of Cf have a mass of 251 grams, how many atoms of

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7. The element califomium (Cf) sells for $1000 per g. Assuming 6.021023 atoms of Cf have a mass of 251 grams, how many atoms of Cf could you buy for 1 U.S. penny? answer: 8. A person on a diet reduces from 554 pounds to 152 bounds in exactly 14 months. Calculate the average rate of "weight" loss in units of mg/sec. [You may assume that 1 month =30 days, exactly. ]

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