Identify the common ratio between successive terms in the infinite decimal written as

MATHEMATICS · Subjective · A Level · Mathematics · Sequences and series · Sequences and series

Problem

Identify the common ratio between successive terms in the infinite decimal written as 0.9+0.09+0.009+0.0009+…0.9 + 0.09 + 0.009 + 0.0009 + \dots

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