Posted by **Libby** on Monday, October 29, 2012 at 11:11am.

If the first term of a finite geometric sequence is .4 and its ratio is .3 what is the sum of the first 5 terms?

- Math/Algebra -
**bobpursley**, Monday, October 29, 2012 at 11:24am
You can use the formula, which I recommend, or add them up.

adding: .4,.12,.036, etc then add.

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