Write the number in scientific notation.2,800,000
A. 2.8 × 10-6
B. 2.8 × 105
C. 2.8 × 10-5
D. 2.8 × 106
Answer: D
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Multiply.-9(-10)
A. 90
B. 
C. -19
D. -90
Evaluate the surface integral of the function G over the surface S.G(x, y, z) = 
; S is the surface of the parabolic cylinder 28y2 + 7z = 14 bounded by the planes 
x = 1, y = 0, and z = 0
A. 
B. 
C. 
D. 
Use the circle graph to solve the problem.There are 12,000 students attending the local university. The circle graph shows the percentage of those students who attend different sporting events.
How many students attend Basketball and Baseball games?
A. 1680 students B. 648,000 students C. 4800 students D. 6480 students
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(8
+ 5)(9
+ 2)
A. 82
+ 16
B. 226 + 61
C. 98
D. 10 + 72
+ 16