The sum of the first $n$ terms of the series $3 + 33 + 333 + \ldots$ is —

Question

Accepted Answer

$\dfrac{1}{27}\left(10^{n+1} - 9n - 10\right)$

Answer

$\dfrac{3}{9}\left(10^{n} - 1\right)$

Answer

$3n$

Answer

$\dfrac{1}{9}\left(10^{n+1} - 9n\right)$

The sum of the first nnn terms of the series 3+33+333+…3 + 33 + 333 + \ldots3+33+333+… is —