If a population roughly doubles in the course of 50 years, its growth rate would be close to %.

Name: If a population roughly doubles in the course of 50 years, its growth rate would be close to %.
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The population growth rate can be approximated using the rule of 70, which states that dividing 70 by the number of years it takes for a population to double gives an approximate annual growth rate. In this case, 70 divided by 50 years equals 1.4%.

If a Population Roughly Doubles in the Course of 50