The human population of Earth in July 2014 was 7.295 billion, and was expected to grow by about 80.245 million over the next year (note that this is a growth of 1.1%). (a) Assuming the population increases by the same number each year, predict the population in July 2017.   (b) Instead of growing by a fxed number each year, the global population has a growth rate of about 1.1% per annum. Estimate the population in July 2015, July 2016 and July 2017.

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