A pendulum swings through an arc of 7 inches. On each successive swing, the length of the arc is 84% of the previous length. After 20 swings, what is the to length of the distance the pendulum has swung?
7,
1st swing
0.847).
2nd swing
0.842(7,
3rd swing
0.843(7).
4th swing
The pendulum has swung through a distance of inches.
(Do not round until the final answer. Then round to the nearest hundredth as needed.)
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