I need help with Geometrey

How do you convert 1.27 to a percentage

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

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?