Inactive Tutor answered • 02/28/22
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Kayla S.
asked • 02/28/22Calculus Question
A sample of a radioactive substance decayed to 93.5% of its original amount after a year. (Round your answers to two decimal places.)
(a) What is the half-life of the substance?
_____ yr
(b) How long would it take the sample to decay to 70% of its original amount?
_________yr
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