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Mathematics, 10.12.2019 23:31 treylartigue
The amount of a radioactive substance remaining after t years is given by the function , 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?
; 13.5 mg
; 34.6 mg
; 0.2 mg
; 4.6 mg
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