A large quantity of waste material contains metal. At the successive passes through a recovery process the mass of the metal recovered is:
32kg at the first pass;
24kg at the second pass,
18kg at the third pass;
• 13,5kg at the fourth pass, and so on, to form a geometric sequence.
2.3.1. How much metal would be recovered at the eighth pass?
(Round of the answer to TWO decimal places)​