wth why is someone posting gore on here

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?

Math i have no idea how to do a and b

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent