Monica measures the number of bacteria that are living on her petri dish. each day, she measures the amount of change in the number of bacteria. these amounts create a geometric sequence. use the data in the table to determine the sum of the amounts of change in the bacteria after the seventh day. day amount of change in bacteria 1 2 2 −8 3 32 4 −128 −6553.2 −10.8 6554 11.6