Someone please help, 5500 trees were planted in a forest on 1st october 2018. only 5060 of these trees were still alive on 1st october 2019. it is assumed that the number of trees still alive is given by n=ar^t where N is the number of tree still alive T years after 1st October 2018.
Write down the value of a
Work out the value of r
Work out the predicted percentage decrease in trees still alive between 1st October 2018 and 1st October 2030