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Mathematics, 26.09.2021 22:10 bellabasketball5173

5500 trees were planted in a forest on 1" October 2018, Only 5060 of these trees were still alive on 1" October 2019.
It is assumed that the number of trees still alive is given by N = ar'
where N is the number of trees still alive t years after 1" October 2018.
a) Write down the value of a.
b) Work out the value of r.

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