Determine the doubling time using the rule of 70. State your answer to the nearest 0.01 years. Determine the doubling time using the formula for the exact doubling time.
Brittany from Cedar Rapids, IA's Resources
between 1950 and 2000 the annual growth rate for the worlds population averaged 1.8%. The U.S census bureau estimates the world population now to be 7.1 billion
If the population continues to grow at 1.8% annually predict the population in 2025.
The initial population of a town is 800 people and it grows with a doubling time of 7 years. What will the population be in 25 years?
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