Question

If a nation has an annual growth rate of 2percent, its population will double in

Answer 1

If a nation has an annual growth rate of 2 peecent its population will doble after 50 years.....


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Answer 2

Answer:

nation's population will get doubled in 35 yrs.

Explanation:

Given annual growth rate=2%

Doubling time can be calculated with the rule of 70

$dt = \frac{70}{r}$

where dt is doubling time used to calculate amount of time takes to double the size at annual rate(r),

$dt = \frac{70}{2} \\ dt = 35$

Hence nation's population will double in 35 years at 2% annual growth rate.