Mathematics, 03.04.2021 01:00 nhester3401

Help with this o(╥﹏╥)o Find the sum of geometric sequence -3, 15, -75, 375,... when there are 8 terms and select the correct answer below.

-195,312

195,312

292,968

-292,968

Find the sum of 9-term geometric sequence when the first term is 4 and the last term is 1,024 and select the correct answer below.

682

2,044

2,048

678

Answers: 3

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Help with this o(╥﹏╥)o Find the sum of geometric sequence -3, 15, -75, 375,... when there are 8 ter...