Use De Moivre's theorem to simplify the expression. Write the answer in a + bi form.(2 - 2i)5
A. -64 + 64i
B. - 
+ i
C. -128 + 128i
D. -64
+ 64i
Answer: C
Mathematics
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Write 2.35 × 104 as a decimal number.
A. 235 B. 23,500 C. 2,350,000 D. 0.000235
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Perform the indicated division or state that the expression is undefined.
A. -69 B. 0 C. 1 D. undefined
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Solve the problem.The installment price of a food processor is $408.72 with 18 monthly payments and a down payment of $75. Find the monthly payment.
A. $18.54 B. $36.28 C. $333.72 D. $38.72
Mathematics
Use U = universal set = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 5, 8}, B = {2, 3, 5, 7}, and C = {1, 4, 9} to find the set.
? 
A. {6, 8} B. {1, 2, 3, 4, 5, 7, 9} C. { } D. {0, 6, 8}
Mathematics