Find the power of i.i22
A. -i
B. 1
C. i
D. -1
Answer: D
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Perform the division. Write the answer with positive exponents.
A. -6x11 - 10x4 B. 3x8 + 20x7 C. 3x8 - 10x4 D. -7x15
Find the effective rate of interest.9.25% compounded monthly
A. 9.652% B. 10.155% C. 9.455% D. 9.373%
Find the probability.A bag contains 17 balls numbered 1 through 17. What is the probability that a randomly selected ball has an even number?
A. 
B. 
C. 8
D. 
Find all complex roots. Write the answer in polar form, with 0 ? ? ? 360°.Cube roots of 2 + 2i
A. 
(cos 20° + i sin 20°), 
(cos 140° + i sin 140°), 
(cos 260° + i sin 260°)
B. 
(cos 30° + i sin 30°), 
(cos 150° + i sin 150°), 
(cos 270° + i sin 270°)
C. 
(cos 20° + i sin 20°), 
(cos 140° + i sin 140°), 
(cos 260° + i sin 260°)
D. 
(cos 20° + i sin 20°), 
(cos 140° + i sin 140°), 
(cos 260° + i sin 260°)