Question: The numbers below are a geometric sequence: 100, 50, 25, 12.5, ....... Using 'a' as the first term and 'r' as the common ratio,

The numbers below are a geometric sequence: 100, 50, 25, 12.5, ....... Using 'a' as the first term and 'r' as the common ratio, and T as the nth term; find the T10 (i) (ii) (iii) Find also S10, the sum of the first 10 terms of the sequence. Find S19 and S20. (iv) What is your conclusion after obtaining the results in (iii). [You are to use calculator and write all the decimals on the calculator.] [3 marks] [3 marks] [6 marks] [2 marks]

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