A radio active isotope decays according to the exponential decay equation where t is in days. round to the thousandths place. for the half life: the half life is the solution (t) of the equation : a/2=ae^ (-8.859t)

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Mathematics

Samara Bray

2 February, 23:57

A radio active isotope decays according to the exponential decay equation where t is in days. round to the thousandths place. for the half life: the half life is the solution (t) of the equation : a/2=ae^ (-8.859t)

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Santino Cannon · Answer 1

Divide both sides by a

1/2=e^ (-8.859t)

take the ln of both sides

ln0.5=-8.859t

divide both sides by - 8.859

(ln0.5) / - 8.859=t

0.078242147=t

thousandts

0.078=t