A ball bounces to a height of 5.2 feet on the first bounce. Each subsequent bounce reaches a height that is 83% of the previous bounce. What is the height, in feet, of the fifth bounce? Round your answer to the thousandths place.

A. 1.680 ft

B. 2.048 ft

C. 2.468 ft

D. 4.316 ft

A concert hall has 14 seats in the first row, 16 seats in the second row, 18 seats in the third row, and so on. If the pattern continues, how many seats are in the first 10 rows?

A. 140 seats

B. 144 seats

C. 230 seats

D. 320 seats

What is the 8th partial sum of 1600 - 400 + 100 - 25 + ...? Round your answer to the thousandths place.

A. 2,133.301

B. 1,599.976

C. 1,280.020

D. 1,279.980

A construction worker is pouring concrete stairs. The first step requires 1.6 cubic feet of concrete, and the first 5 steps require a total of 24 cubic feet. If the steps follow an arithmetic series, how much concrete is required for the first 10 steps?

A. 48 cubic feet

B. 88 cubic feet

C. 106 cubic feet

D. 160 cubic feet