1.

0.2 + 0.22 + 0.222 + …….. to n terms =

Answer»

`(2/9) - (2/81)(1 - 10^(-N))`
`n - (1/9)(1 - 10^(-n))`
`(2/9)[n - (1/9)(1 - 10^(-n))]`
`2/9`

ANSWER :C


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