Edexcel C12 2016 June — Question 9

Exam BoardEdexcel
ModuleC12 (Core Mathematics 1 & 2)
Year2016
SessionJune
TopicGeometric Sequences and Series
  1. The first term of a geometric series is 6 and the common ratio is 0.92
For this series, find
    1. the \(25 ^ { \text {th } }\) term, giving your answer to 2 significant figures,
    2. the sum to infinity. The sum to \(n\) terms of this series is greater than 72
  2. Calculate the smallest possible value of \(n\).
    VJYV SIHI NITIIIUMION, OC
    VILV SIHI NI JAHM ION OO
    VILV SIHI NI JIIIM ION OO
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