Answer:
8, 16/3
Explanation:
You want the 4th and 5th terms of a geometric sequence that starts 27, 18, 12, ....
Ratio
The common ratio for this geometric sequence is 18/27 = 2/3.
The next term can be found by multiplying the last term by this ratio:
12(2/3) = 8
And again, ...
8(2/3) = 16/3
The next two terms are 8 and 16/3.
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