5. Rewrite the following expressions in the form P0e^
kt
(a) 30(2.7)t
(b) −4(0.4)t
(c) 3.7(3.7)−2t
since a = e^lna,
2.7^t = (e^ln2.7)^t = e^(ln 2.7 t) = e^(0.993t)
and similarly for the others.
kt
(a) 30(2.7)t
(b) −4(0.4)t
(c) 3.7(3.7)−2t
2.7^t = (e^ln2.7)^t = e^(ln 2.7 t) = e^(0.993t)
and similarly for the others.