Perform the indicated operations and simplify.2.08 + (2.94) 2.20 - 2.72
A. 8.324
B. 4.5
C. -2.6104
D. 5.828
Answer: D
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Evaluate the double integral over the given region.
R = {(x, y): 0 ? x ? ?, 0 ? y ? 1}
A. ?
B. 7?
C. 
D. 7? - 7
Simplify the radical.
A. -3 B. -15 C. 3 D. 15
Find the volume specified. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.Find the volume of a feed bin having the shape of a right circular cylinder of radius 5 ft and height 9 ft topped by a right circular cone of the same radius and height 9 ft.
A. 1413.0 ft3 B. 942.0 ft3 C. 706.5 ft3 D. 471.0 ft3
Solve the problem. Express your answer in scientific notation, and round to one decimal place. A computer can do one calculation in 1.4 × 10-7 seconds. How long would it take the computer to do a trillion (1012) calculations?
A. 1.4 × 106 seconds B. 1.4 × 10-6 seconds C. 1.4 × 109 seconds D. 1.4 × 105 seconds