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Unformatted text preview: Using a half-life of 5700 years for Carbon-14, approximately how old is the fossil? 4. A bowl of porridge at 200 F (too hot) has been placed in a 70 F room. One minute later the porridge has cooled to 180 F. When will the temperature be 120 F (just right)? 5. Person A invests $10,000 in 2010 and Person B invests $20,000 in 2020. If both receive 12% interest compounded continuously, what are the values of the investments in 2030? 2...
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- Spring '09