The third term of a geometric series is 18 and the sixth term of the series is 486.
Find the common ratio.
Find the first term of the series.
Find the sum of the first 10 terms, giving your answer to the nearest whole number.
178 exam-style questions on Edexcel A Level Maths Sequences and Series, covering 3.1 Arithmetic Sequences, 3.2 Arithmetic Series, 3.3 Geometric Sequences, 3.4 Geometric Series, 3.5 Sum to Infinity, 3.6 Sigma Notation, 3.7 Recurrence Relations, and 3.8 Modelling with Series. Each one has a worked solution and a mark scheme showing where the marks go.