Express the indicated number in standard notation or trigonometric notation, as directed.Express the indicated number in standard notation. 
A. -2 + 4i
B. 4 - 2i
C. 4 + 2i
D. -2 - 4i
Answer: A
Mathematics
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Find the limit of the sequence or determine that the limit does not exist.an = 
A. ln 8 B. 1 C. does not exist D. 0
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Write the decimal as a fraction or mixed number in lowest terms.-0.672
A. - 
B. - 
C. - 
D. - 
Mathematics
Solve the problem.A pendulum swinging through a central angle of 67° completes an arc of length 7.2 cm. What is the length of the pendulum? Round to the nearest hundredth.
A. 5.96 cm B. 6.26 cm C. 6.06 cm D. 6.16 cm
Mathematics
Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.A = 26°, B = 51°, c = 21
A. C = 97°, a = 9.3, b = 16.4 B. C = 103°, a = 16.7, b = 9.4 C. C = 103°, a = 46.7, b = 26.3 D. C = 103°, a = 9.4, b = 16.7
Mathematics