chichi2004or2tzq chichi2004or2tzq

06-08-2018
Mathematics

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find the sum of the first four terms of geometric sequence:2,10,50....

Respuesta :

06-08-2018

That's a common ratio of 5 (10/2, 50/10) so the fourth term is 250 and the sum is

2 + 10 + 50 + 250 = 312

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