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25-02-2021
Mathematics

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Find the 11th term of the geometric sequence 5, 20, 80

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25-02-2021

Answer:What is the 11th term of this geometric sequence 5, 20, 80, 320? In the present GP, a = 5 and r = 20/5 = 4. So the 11th term of the GP = ar^10 = 5*4^10 = 5242880.

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