### Still have math questions?

Ask our expert tutors
Algebra
Question

Find the sum of the finite geometric series using the formula for $$S _ { n }$$ .

$$\sum _ { i = 1 } ^ { 7 } 3 ( \frac { 4 } { 7 } ) ^ { i - 1 }$$

The sum of the finite geometric series is $$S _ { n } = \square$$ . (Type an integer or a simplified fraction.)

Answer

$$\frac { 807159 } { 117649 }$$

Solution
View full explanation on CameraMath App.