Work the problem. Give the answer in scientific notation, rounded to two decimal places, unless otherwise indicated.Assume that a computer can do one calculation in 1.42 × 10-7 seconds. How long would it take the computer to do a trillion (1012) calculations?
A. 1.42 × 105 sec
B. 7.04 × 1019 sec
C. 1.42 × 1012 sec
D. 7.04 × 1018 sec
Answer: A
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Find the flux of the vector field F across the surface S in the indicated direction.F(x, y, z) = 5xi + 5yj + 2k , S is the surface cut from the bottom of the paraboloid z = x2 + y2 by the plane 
direction is outward
A. 16? B. -144? C. 88? D. 72?
Find two different Hamilton paths for the given graph.
A. F ? G ? H ? I ? E ? D ? C ? B ? A ; C ? B ? A ? D ? E ? I ? H ? F ? G B. G ? H ? I ? E ? D ? A ? B ? C ; F ? F ? I ? E ? D ? C ? B ? A C. D ? A ? B ? C ? D ? E ? I ? H ? G ? F ; H ? G ? F ? H ? I ? E ? D ? A ? B ? C D. The graph does not have two different Hamilton paths.
The function graphed is of the form y = a sin bx or y = a cos bx, where b > 0. Determine the equation of the graph.
A. y = 5 cos 
B. y = 5 cos (3x)
C. y = 5 sin (3x)
D. y = 5 sin 
Find the net cost. Round to the nearest cent.$1,425 less 10/40/20
A. $356.25 B. $1,355.00 C. $427.50 D. $615.60