Convert to decimal notation.5.47 × 107
A. 547,000,000
B. 382.9
C. 54,700,000
D. 5,470,000
Answer: C
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For the region R, find the horizontal line y = k that divides R into two subregions of equal area.R is the region bounded by y = 8 - 
and the x-axis.
A. k = 1 - 4
B. k = 8 + 4
C. k = 8 - 
D. k = 8 - 4
Use sets to solve the problem.Results of a survey of fifty students indicate that 30 like red jelly beans, 29 like green jelly beans, and 17 like both red and green jelly beans. How many of the students surveyed like neither red nor green jelly beans?
A. 12 B. 17 C. 13 D. 8
Write the matrix equation as a system of linear equations without matrices.
= 
A. 4x + 8y = 5 13x + 2y = 15 B. 4x + 8y = 5 2x + 13y = 15 C. 4x + 8y = - 5 13x + 2y = -15 D. 8x + 4y = 5 13x + 2y = 15
Solve the equation. Round to the nearest tenth, if necessary.A rock falls from a tower that is 336 feet high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground (h=0)?
A. 4.6 sec B. 7056 sec C. 17.9 sec D. 18.3 sec