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J3ak06
J3ak06
07.10.2019 • 
Mathematics

The amount of a radioactive substance remaining after t years is given by the function (0) = m(0.5) where m is the initial
mass and h is the half-life in years. cobalt-60 has a half-life of about 5.3 years. which equation gives the mass of a 50 mg
cobalt-60 sample remaining after 10 years, and approximately how many milligrams remain?
f(10) = 50(0.5) 19, 13.5 mg
f(10) = 50(0.50)0.53; 34.6 mg
f(10) = 5.3(0.5)5; 0.2 mg
f(10) = 5.3(0.5)02; 4.6 mg

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