How would I do this?

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5