Use DeMoivre's Theorem to find the indicated power of the complex number. Write the answer in rectangular form.
4
A. 256i
B. 128 + 128
i
C. 128
+ 128i
D. 128 + 128i
Answer: B
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Construct a boxplot for the given data.The normal monthly precipitation (in inches) for August is listed for 20 different cities.0.41.01.51.62.02.22.42.73.43.43.53.63.63.73.73.94.14.24.27.0
A. 
B. 
C. 
D. 
Find the sum of the series.
A. -70 B. 2401 C. 70 D. 14
Solve the problem. There are currently 77 million cars in a certain country, decreasing exponentially by 5.5% annually. How many years will it take for this country to have 67 million cars? Round to the nearest year.
A. 3 yr B. 42 yr C. 10 yr D. 2 yr
Evaluate the radical expression if it is a real number. Use a calculator to approximate irrational numbers to the nearest hundredth. If the expression is not a real number, so state.- 
A. 9 B. 3 C. -3 D. not a real number