Solve the problem. Express your answer in scientific notation, rounding as needed.If the speed of light is 3.00 × 108 m/sec, how long does it take light to travel 2.29 × 1011 m, the distance from the sun to Mars?
A. 7.6 × 102 sec
B. 7.6 × 103 sec
C. 7.6 × 102 min
D. 76 sec
Answer: A
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Solve the problem.Edward's real estate tax bill was $7450 last year. If he paid $8100 this year, what was the percent increase on his taxes? Round your answer to the nearest hundredth of a percentage point.
A. 80.70% B. 91.98% C. 8.72% D. 8.02% E. 4.35%
Use the graph to answer the question. 
What were the total sales for the first 6 months of 2006?
A. $366,000 B. $240,000 C. $46,000 D. $290,000
The loudness of a sound of intensity x, measured in watts per square meter, is defined as L(x) = log (
), where xo = 10-3.A company with load machinery needs to cut its sound intensity to 72% of its original level. By how many decibels should the loudness be reduced?
Fill in the blank(s) with the appropriate word(s).
Evaluate the function.Find f(100, 3) when f(x, y) = y log x.
A. 3 B. 60 C. 6 D. 30