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Unformatted text preview: a. b. 11. Evaluate the following accurate to two decimal places. a. b. 12. How long (in years) will it take for an investment of $10,000 earning 8 percent interest compounded monthly to double in value? 13. The population of the world was 5.7 billion in 1995 and the relative growth rate was 2% per year. Assuming this growth rate remains constant, find a. How long it will take for the population to double b. When the population will reach 7 billion 14. The half-life of radium 226 is 1600 years. If we start with a sample of 100mg: a. Find a function that measures the remaining mass of radium 226 after t years. b. How long will it take for a mass of radium 226 to reach 20mg?...
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