Which of the following is not equivalent to: ?
?
?
A. 1.5× 10?12
B. ?1,500,000,000
C. ?1.5?× 109
D. 15 ?× 108
E. ?1.5 × 106 × 103
Answer: A
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Solve the problem.Computer Specialists is planning a group vacation to one of the following locations: Alaska (A), Florida (F), San Antonio (S), or Hawaii (H). In a preliminary, nonbinding election, the employees rank the four possible sites. The results are depicted in the following preference schedule.
Suppose that after the preliminary election the four voters who voted FSHA, in that order, change their votes to HSAF. The official vote is then held. If the winner is decided by sequential runoffs, is Fairness Criterion 3 satisfied?
A. yes B. no
Solve.Two airplanes leave an airport at the same time, one going northwest at 405 mph and the other going east at 326 mph. How far apart are the planes after 3 hours (to the nearest mile)?
A. 1618 mi B. 1730 mi C. 2028 mi D. 676 mi
Graph the equation.9(x + 2)2 + 16(y - 1)2 = 144
A. 
B. 
C. 
D. 
Factor by grouping.15x2 - 20xy + 9xy - 12y2
A. (5x - 3y)(3x - 4y) B. (5x + 3)(3x - 4) C. (15x + 3y)(x - 4y) D. (5x + 3y)(3x - 4y)