Solve
-The Population of a Particular Country Was 23 Million $\mathrm { A } = 23 \mathrm { e } ^ { \mathrm { kt } }$

Multiple Choice

Solve.
-The population of a particular country was 23 million in 1980 ; in 1990 , it was 34 million. The exponential growth function $\mathrm { A } = 23 \mathrm { e } ^ { \mathrm { kt } }$ describes the population of this country t years after 1980 . Use the fact that 10 years after 1980 the population increased by 11 million to find $\mathrm { k }$ to three decimal places.

A) $0.039$
B) $0.240$
C) $0.666$
D) $0.049$