It is 7, because you always have to round up if the next decimal is greater than or equal to 5 (depending on where you live).
Haiii.. i'm from indonesia..
thanks for point:)
To simplify 4/(2+7i), we multiply it by a fraction equal to one that removes the i value in the denominator. The best value to do this is the complex conjugate divided by itself, so we have 4(2-7i)/((2+7i)(2-7i)). Simplifying, we have (8-28i)/(4-(-49))=(8-28i)/53, which is a completely simplified fraction since 8 and 53 are relatively prime (or coprime), and there are no radicals in the denominator.
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thought this was a joke, but 24 inches is 2 feet sir or madam
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1 hour/ 34 minutes
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