need help please!!!!

Question

A ball is dropped from a height of 19 ft and bounces 83 % of its previous height on each bounce. How high off the ground is the ball at the top of the 4th ​bounce?

Answer 1

1st bounce: 0.83(19 ft)

2nd bounce: (0.83)² (19 ft)

3rd bounce: (0.83)³ (19 ft)

4th bounce: (0.83)⁴ (19 ft)

h₄ = (0.83)⁴ (19 ft) = ? ft