Find the 7th term of the geometric sequence -5, 15, 45, 135, 405,... a. -3,650 b. 10,935 c. 1,215 d. -3,645

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Panagiota asked Aug 24, 2022

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Find the 7th term of the geometric sequence -5, 15, 45, 135, 405,...

a. -3,650
b. 10,935
c. 1,215
d. -3,645

Mathematics
high-school

Panagiota asked Aug 24, 2022

by Panagiota

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1 Answer

14 votes

Answer:

1,215

Explanation:

Because if you think of it it multiplies by 3x so 3x5=? 15! 15x3=? 45! 45x3=? 405! 405x=3? 1,215! 1,215x3=? 3,645! anyways, I can go on and on I hope this answer was right!

Dave Peck answered Aug 31, 2022

by Dave Peck

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