The radioactive isotope potassium-40 is used to date very old remains. The proportion of potassium-40 that remains after t million years is e−0.00054t . Use this function to estimate the age of the following fossil. Use the formula to estimate the age of the partial skeleton of Australopithecus afarensis (known as "Kadanuumuu") that was found in Ethiopia if rocks near it had 99.807% of their original potassium-40. (Round your answer to one decimal place.) ______ million years
The radioactive isotope potassium-40 is used to date very old remains. The proportion of potassium-40 that remains after t million years is e−0.00054t . Use this function to estimate the age of the following fossil. Use the formula to estimate the age of the partial skeleton of Australopithecus afarensis (known as "Kadanuumuu") that was found in Ethiopia if rocks near it had 99.807% of their original potassium-40. (Round your answer to one decimal place.) ______ million years
Chapter10: Exponential And Logarithmic Functions
Section10.5: Solve Exponential And Logarithmic Equations
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The radioactive isotope potassium-40 is used to date very old remains. The proportion of potassium-40 that remains after t million years is e−0.00054t . Use this function to estimate the age of the following fossil.
Use the formula to estimate the age of the partial skeleton of Australopithecus afarensis (known as "Kadanuumuu") that was found in Ethiopia if rocks near it had 99.807% of their original potassium-40. (Round your answer to one decimal place.)
______ million years
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