Find all complex roots. Write the answer in polar form, with 0 ? ? ? 360°.Cube roots of  - i

A. 2(cos 100° + i sin 100°), 2(cos 220° + i sin 220°), 2(cos 340° + i sin 340°)
B. 2(cos 110° + i sin 110°), 2(cos 230° + i sin 230°), 2(cos 350° + i sin 350°)
C. (cos 100° + i sin 100°), (cos 220° + i sin 220°), (cos 340° + i sin 340°)
D. (cos 110° + i sin 110°), (cos 230° + i sin 230°), (cos 350° + i sin 350°)


Answer: D

Mathematics

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A. -  + 2x
B. -  - 2x
C.  + 2x
D. -  - 2x

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Rewrite the expression with a positive rational exponent. Simplify, if possible.

A. 100
B. 2
C.
D. 101/2

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Round the decimal to the indicated place value.4.177tenth

A. 4.1 B. 4.2 C. 4.3 D. 4.177

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Simplify. ? 

A. - 
B.
C.
D.

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