the following sequence is given

1, 11, 111, 1111, ...

i. Determine whether the following sequence is arithmetic sequence, geometric sequence, or neither.

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ii. Determine the common difference or the common ratio of the given sequence. Type N in the blank if you choose "neither" in i.

iii. Determine the 10th term for the given sequence. Type N in the blank if you choose "neither" in i.