Solve the equation.9n - n = 64
A. n = 7
B. n = 10
C. n = 8
D. n = 512
Answer: C
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Solve the equation in the complex number system.x3 - 27i = 0
A. 3(cos 60° + i sin 60°), 3(cos 180° + i sin 180°), 3(cos 300° + i sin 300°) B. 3(cos 30° + i sin 30°), 3(cos 150° + i sin 150°), 3(cos 270° + i sin 270°) C. 1, -1, -i D. 3(cos 0° + i sin 0°), 3(cos 120° + i sin 120°), 3(cos 240 + i sin 240°)
Find the cube root of the number. Approximate the answer to the nearest hundredth whenever appropriate.
A. 10
B. 
C. - 
D. -10
Determine the most appropriate metric unit to go in the blank. Choose from L, ml, kg, g, and mg.The weight of the coin is 13 
.
A. mL B. mg C. L D. g E. kg
Solve the problem.How many different license plates can be made using 3 letters followed by 4 digits selected from the digits 0 through 9, if digits may be repeated but letters may not be repeated?
A. 156,000,000 B. 175,760,000 C. 216,666.667 D. 88,583,040