Question

Scientists use the rule of 707070 to calculate human population growth. According to the rule of 707070, what is the doubling time for a nation with a population growth rate of 10%, percent per year?

Answer 1

Answer: 7 years

Explanation:

The rule of 70 is used to find the approximate doubling time in years

The rule of 70 uses the equation 70 divided by the growth rate per year

so 70/10 = 7

this population would double in 7 years

also i’m assuming this is APHG so if you live in the U.S. good luck on ur ap exam next thursday :)

hope this helps :)