Answer:
1536 is the 11th term of the sequence
- 3072
Explanation:
The n th term of a geometric sequence is
= a₁
where a₁ is the first term and r the common ratio
Here a₁ = - 3 and r = - 6 ÷ - 3 = 2, thus
= - 3 × = - 3 × 1024 = - 3072
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= a₁
= - 3 × 
= - 3 × 1024 = - 3072