Question 17 (1 point) A ball is dropped from a height of 2 m to a floor. On each bounce the ball rises to 70% of the height from which it fell. Calculate the total vertical distance the ball travels before coming to rest. ("3. 11.3 m If"). 16.3 m Question 18 (1 point) _ :1: Find the number of terms for the following series: Z::_2 %(71) I: I 7 O 8 I ' .5 I 'I 3 Question 19 (1 point) Write using sigma notation: % l g -l- g. . . l 1536 Question 20 (1 point) Find the exact value of the sum for the following series: Z