Population Calculation Worksheet
Grade 10 Math worksheet covering population growth, decay, and related calculations.
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Population Calculation Worksheet
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Read each question carefully and provide your answers in the space provided. Show all your work for full credit.
1. The population of a city is currently 50,000 and is growing at an annual rate of 3%. What will be the population after 5 years?
2. A species of fish in a lake is decreasing at a rate of 8% per year. If there are currently 12,000 fish, the number of fish after 3 years will be approximately .
3. Which of the following formulas represents exponential decay?
P(t) = P₀(1 + r)ᵗ
P(t) = P₀(1 - r)ᵗ
P(t) = P₀ + rt
P(t) = P₀ / (1 + r)ᵗ
4. If a population doubles every 10 years, its growth rate is 10% per year.
True
False
5. A bacterial culture starts with 200 bacteria and triples every hour. How many bacteria will there be after 4 hours?