Tell whether the following sequence is geometric or not. If geometric, find r
1.) 4,8,16,32, ...
2.)135,45,15,5, ...
3.) 1,-3,9,-27,81,...
with solution pls
1.) 4,8,16,32, ...
2.)135,45,15,5, ...
3.) 1,-3,9,-27,81,...
with solution pls
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Answer:1. geometric sequence, the common ratio is 2
2. geometric sequence, the common ratio is 3
3. Geometric sequence, the common ratio is -3
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for what grade is that ?
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