4.07 Quiz: Geometric Series and Applications

What is the sum of the first 7 terms of the series−4+8−16+32−...? Enter your answer in the box.

-172

What is the sum of the first eight terms of the series? (−500)+(−100)+(−20)+(−4)+(−0.8)+... Round the answer to two decimal places if necessary.

-625

Cassidy dropped a ball from a height of 46 yards. After each bounce, the peak height of the ball is half the peak height of the previous height.How far does the ball travel from the time Cassidy drops the ball until it reaches its peak height after the 4th bounce?

129.375 yd

What is the sum of the series? 3+12+48+192+...+49,152

65,535

A florist sold 15 arrangements in its first month of business. The number of arrangements sold doubled each month. What was the total number of arrangements the florist sold during the first 9 months? Enter your answer in the box.

7665