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Exercise 2.3 The population of large mammals in African National Parks has fallen by 59% between 1970 and 2010. Assume that numbers have declined exponentially.

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Exercise 2.3 The population of large mammals in African National Parks has fallen by 59% between 1970 and 2010. Assume that numbers have declined exponentially. (a) Find the scale factor by which the population of large mammals has fallen each decade. (b) Find the scale factor by which the population of large mammals has fallen each year. Write this as a percentage decrease

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