Tennis balls are filled with nitrogen gas. 1.7% of the nitrogen gas has escaped from a particular ball after 10 hits. a) How much gas is left after a game that had 23 hits of the ball? b) The ball is considered too soft when the gas is at 75% of its original amount. How many hits are

required before the ball is too soft? c) At what rate is the nitrogen gas escaping after 5 hits?