If a ball falls from a height of 100 meters, how many meters does it bounce for the third time?

If a ball falls from a height of 100 meters, how many meters does it bounce for the third time?

100 × 25 × 25 × 25, = 40 × 25 × 25, = 16 × 25, = 325 (m); answer: the third bounce is 325 M

If the ball falls from a height of 100 meters, it will bounce up two fifths of the previous height
How many meters is the third bounce

The most intuitive method is: 100 * 2 / 5 * 2 / 5 * 2 / 5 = 6.4 (m)
I don't know if I'm satisfied,

If a ball falls from a height of 100 meters, how many meters does it bounce for the third time?

100 × 25 × 25 × 25, = 40 × 25 × 25, = 16 × 25, = 325 (m); answer: the third bounce is 325 M