Answers by visitors named: aqib

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the required answer is: \$4440.73 Recall the formula of the Compound Interest: A=P\left(1+\frac{r}{n}\right)^{nt}

If the circumference of a sphere is given as 37.68 km, we can use that information to find the radius of the sphere. The formula for the circumference of a sphere is given by: C = 2πr where C is the circumference and r is the radius. Rearranging the formula, we get: r = C / 2π Substituting the given value of circumference, we get: r = 37.68 km / 2π r ≈ 6.0 km (rounded to one decimal place) Now that we know the radius of the sphere, we can use the formula for the surface area of a sphere, which is: A = 4πr^2 Substituting the value of r, we get: A = 4π(6.0 km)^2 A ≈ 452.4 km^2 (rounded to two decimal places) Therefore, the approximate surface area of the sphere is 452.4 km^2.