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mel-nik [20]
3 years ago
5

Ind the 7th term of the geometric sequence with the given terms.

Mathematics
1 answer:
arlik [135]3 years ago
3 0
To find the seventh term of the geometric sequence, divide first the fifth term by the fourth term to obtain the common ratio. -40 divide by -8 is 5. Then, multiply a5 by the common ratio, 5 twice or a4 by 5 three times. Both solutions will give, an a7 equal to -1000. Thus, a7 is -1000. 
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