Q. 395.0( 3 Votes )
Find the sum of indicated terms of the following geometric progressions. 0.15, 0.015, 0.0015, …..; 20 terms.
a = 0.15, r = 0.015/0.15 = 0.1 < 1
Therefore Sn = = = = =
Substituting n = 20
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