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The age of the rock can be calculated if the ratio of uranium to lead is known.The amount of carbon-14 in the wood decreases with time as it decays into nitrogen with a half-life of about 5700 years. Carbon dating The amount of carbon-14 in the atmosphere has not changed in thousands of years.Even though it decays into nitrogen, new carbon-14 is always being formed when cosmic rays hit atoms high in the atmosphere.I AM THAT HONEST, Local Hookups De witt Iowa naughty girls of Cascina NURTURING, STRONG BLACK WOMAN (yes I said it).I'm a big bitch (that's what happens when you stop working out) but that's not what I want or see myself.$$ If we evaluate this expression on a calculator, we get a value of approximately 19,035 years since the plant has died.

IM Commentary The task requires the student to use logarithms to solve an exponential equation in the realistic context of carbon dating, important in archaeology and geology, among other places.If you have the desire to be with someone else, tell me.I want someone who will say "get your ass up and lets go workout".You can change your cookie settings at any time carbon dating notes.Dividing by 10 first (to isolate the exponential expression) and taking the logarithm of both sides gives $$ -5730c = \ln = \ln = -\ln. Note that the purpose of this task is algebraic in nature -- closely related tasks exist which approach similar problems from numerical or graphical stances.

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