Answer:
n = doubling time in months
(1.03)ⁿ = 2
log₁.₀₃(2) = n
n = 23.44977... ⇒ 23.4 months
After 2 years:
(1.03)²⁴ = 2.03279... ⇒ 2.03
After 8 years:
(1.03)⁹⁶ = 17.0755... ⇒ 17.08
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