Plot the point given in polar coordinates.(4, 30°)
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem and write the answer using scientific notation.The national debt of a small country is 
and the population is 2,135,000. What is the amount of debt per person?
A. $3.68 × 106 B. $36.80 C. $3.68 × 103 D. $3.68
Solve the problem.Use the formula d = 10 log (I/I0), where the loudness of a sound in decibels is determined by I, the number of watt/m2 produced by the soundwave, and 
watt/m2. A certain noise measures 81 decibels. If the intensity is multiplied by 10, how many decibels will the new noise measure? Round to the nearest decibel.
A. 81 decibels B. 91 decibels C. 810 decibels D. 82 decibels
Write the decimal as a fraction. Do not simplify.0.08
A. 
B. 
C. 
D. 
Consider the sequence an = 16n² - 64n + 56.
A. Find the first four terms of the sequence. B. Find a general term bn for a different sequence that has the same first three terms as the given sequence. Answers may vary.