Kayla S.

asked • 02/28/22

Calculus 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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