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Hilmi Erdem KEREN · Answer 1 · 2021-07-14T21:50:52+0000

this is a geometric progression. take 0.05/0.1 = 0.5 which is your r.

r = 0.5

use the sum to infinity formula since r is smaller than 1.

since u alr have your r value, to find the 11th term just sub n=11 inside and r=0.5 inside the Sn formula under GP. then u will have your answer

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