How much of 800 g of this substance will remain after 30,000 years? The half-life of carbon-14 is approximately 6000 years. So, the population after 18 years from now will be about 22,627. If the population of town is 8,000, what will the population be 18 years from now? The population of a western town doubles in size every 12 years. So, the population of rabbits after 160 days from now will be 192. If the population starts with 12 rabbits, what will the population of rabbits be 160 days from now? The number of rabbits in a certain population doubles every 40 days.
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