Question: C /2 7. For the sequence -90, -9, -0.9 ....,...... find t12. What kind of sequence is this? 8. The sum of first 3 terms

C /2 7. For the sequence -90, -9, -0.9 ....,...... find

C /2 7. For the sequence -90, -9, -0.9 ....,...... find t12. What kind of sequence is this? 8. The sum of first 3 terms of an Arithmetic series is 42 and the sum of the squares of the first and third terms is 442. Find the series and its tenth term. (T /1, A/3) Show all steps of your work

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