SOLUTION: find the associated half life or doubling time. Q=1800e^-0.025t could someone please explain to me how to do this problem?

SOLUTION: find the associated half life or doubling time. Q=1800e^-0.025t could someone please explain to me how to do this problem?

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Question 362272: find the associated half life or doubling time.
Q=1800e^-0.025t
could someone please explain to me how to do this problem?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
The amount at time is
.
.
Find when
.
.

or approximately,

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