1 answer:
Answer:
12.48
Step-by-step explanation:
Judging by the answers, the meaning of S4 is the sum of the first 4 terms of the series. That would be
10 + 2 + .4 + .08 = 12.48
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Step-by-step explanation:
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is it 13?
Step-by-step explanation:
3(j+4)-9=9
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