SOLUTION: A pendulum bob swings through an arc 70 inches long on its first swing. Each swing thereafter, it swings only 89% as far as on the previous swing. What is the length of the arc a

Algebra ->  Length-and-distance -> SOLUTION: A pendulum bob swings through an arc 70 inches long on its first swing. Each swing thereafter, it swings only 89% as far as on the previous swing. What is the length of the arc a      Log On


   

Question 46962: A pendulum bob swings through an arc 70 inches long on its first swing. Each swing thereafter, it swings only 89% as far as on the previous swing. What is the length of the arc after 9 swings? Round your answer to two decimal places, if necessary.
Can anyone give me some help with this problem? Thanks!
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
70%28.89%29%5E%28x+-+1%29
70%28.89%29%5E%28x+-+1%29+=+70%28.89%29%5E%289+-+1%29+=+70%28.89%29%5E%288%29
About 27.56 inches