Solve the problem.
-The population of a certain country is growing at a rate of $1.3 \%$ per year. How long will it take for this country's population to double? Use the formula $t = \frac { \ln 2 } { k }$, which gives the time, $t$, for a population with growth rate k, to double. (Round to the nearest whole year.)
A) 53 years
B) 54 years
C) 55 years
D) 52 years

Question

Quizplus · Accepted Answer

Using the formula $t = \frac{\ln 2}{k}$, where $k = 0.013$, we calculate $t = \frac{\ln 2}{0.013} \approx 53.29$. Rounding to the nearest whole year gives 53 years.

Solve the Problem 1.3%1.3 \%1.3% Per Year How Long Will It Take for This Country's Population

Solve the Problem $1.3 \%$ Per Year How Long Will It Take for This Country's Population