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lesantik [10]
3 years ago
8

Consider the relationship between the place values of the 4s in this number. 444.44 . Choose all answers that are correct. A. Th

e 4 in the hundredths place is 10 times the value of the 4 in the tenths place. B. The 4 in the tens place is 10 times the value of the 4 in the ones place. C. The 4 in the hundredths place is 1/10 times the value of the 4 in the tenths place. D. The 4 in the hundreds place is 1/10 times the value of the 4 in the tens place. please help me ASAP
Mathematics
1 answer:
Effectus [21]3 years ago
3 0
A and B PLEASE check though I am still human and I make mistakes
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z^{\frac{1}{3}}=(64(\cos[\frac{\pi}{7}]-i\sin[\frac{\pi}{7}]))^{\frac{1}{3}}

z^{\frac{1}{3}}=64^{\frac{1}{3}}(\cos[\frac{\pi}{7}]-i\sin[\frac{\pi}{7}])^{\frac{1}{3}}

z^{\frac{1}{3}}=4(\cos[\frac{\pi}{7}]-i\sin[\frac{\pi}{7}])^{\frac{1}{3}}

De moivre's theorem:

(\cos\theta+i\sin\theta)^n=\cos n\theta+i\sin n\theta

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Using de moivre's theorem, we get

z^{\frac{1}{3}}=4(\cos[\frac{\pi}{7}\times \frac{1}{3}]-i\sin[\frac{\pi}{7}\times \frac{1}{3}])

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Therefore the correct option is C.

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