Mathematics, 05.02.2020 07:51, hannahkharel2

How long will it take for a radioactive isotope with a decay constant of 0.15 (which means a half life of 4.6 days ) to decay to 5% of its original value?
(at = a0e^-kt)

a 3 days
b 4.6 days
c 5 days
d 10.73 days
e 19.97 days

Answers: 3

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How long will it take for a radioactive isotope with a decay constant of 0.15 (which means a half li...