4. Carbon-14 has a decay rate of 0.0257 per year. The rate of change of an...
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4. Carbon-14 has a decay rate of 0.0257 per year. The rate of change of an amount N of carbon-14 after t years is given by dN dt = -0.0257N. a) Let No represent the amount of carbon-14 present at t=0. Find the exponential function that models the decay. (2pts) b) Suppose 200g of carbon-14 is present at t-0. How much will remain after 800 yr? (2pts) c) After how many years will half of the original 200g of carbon-14 remain? (2pts) 4. Carbon-14 has a decay rate of 0.0257 per year. The rate of change of an amount N of carbon-14 after t years is given by dN dt = -0.0257N. a) Let No represent the amount of carbon-14 present at t=0. Find the exponential function that models the decay. (2pts) b) Suppose 200g of carbon-14 is present at t-0. How much will remain after 800 yr? (2pts) c) After how many years will half of the original 200g of carbon-14 remain? (2pts)
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Related Book For
College Mathematics for Business Economics Life Sciences and Social Sciences
ISBN: 978-0321614001
12th edition
Authors: Raymond A. Barnett, Michael R. Ziegler, Karl E. Byleen
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