Answer:
8y
Step-by-step explanation:
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8. Which one of the following examples represents a repeating decimal?
A. 4.252525
B. 1.111114
C. 0.123123
D. 0.777777
2{(cos^210+isin^210)}^2
2(cos^210-sin^10+2i*cos10*sin10)
2(cos20+i*sin20)
cos^2Ф-sin^2Ф=cos2Ф and 2sinФcosФ=sin2Ф here Ф=10°
247,009 to the nearest thousand would be 247,000
