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What is the volume of a sphere with a diameter of 
48.6ft, rounded to the nearest tenth of a cubic foot?
Answer: 
ft^(3)

What is the volume of a sphere with a diameter of 48.6ft 48.6 \mathrm{ft} , rounded to the nearest tenth of a cubic foot?\newlineAnswer: ft3 \mathrm{ft}^{3}

Full solution

Q. What is the volume of a sphere with a diameter of 48.6ft 48.6 \mathrm{ft} , rounded to the nearest tenth of a cubic foot?\newlineAnswer: ft3 \mathrm{ft}^{3}
  1. Find Radius: To find the volume of a sphere, we use the formula V=43πr3V = \frac{4}{3}\pi r^3, where rr is the radius of the sphere. Since the diameter is given, we first need to find the radius by dividing the diameter by 22.\newlineRadius rr = Diameter / 22 = 48.6 ft2\frac{48.6 \text{ ft}}{2}
  2. Calculate Radius: Now, let's calculate the radius. r=48.6ft2=24.3ftr = \frac{48.6 \, \text{ft}}{2} = 24.3 \, \text{ft}
  3. Substitute and Calculate Volume: Next, we will substitute the radius into the volume formula and calculate the volume.\newlineV=43π(24.3ft)3V = \frac{4}{3}\pi(24.3 \, \text{ft})^3
  4. Calculate Volume with Radius: Let's calculate the volume using the radius we found.\newlineV=43π(24.3ft)3=43π(24.3ft×24.3ft×24.3ft)V = \frac{4}{3}\pi(24.3 \, \text{ft})^3 = \frac{4}{3}\pi(24.3 \, \text{ft} \times 24.3 \, \text{ft} \times 24.3 \, \text{ft})
  5. Perform Radius Cubed Multiplication: Now, we perform the multiplication for the radius cubed.\newline(24.3ft)3=24.3ft×24.3ft×24.3ft=14367.87ft3(24.3 \, \text{ft})^3 = 24.3 \, \text{ft} \times 24.3 \, \text{ft} \times 24.3 \, \text{ft} = 14367.87 \, \text{ft}^3
  6. Multiply by (43)π(\frac{4}{3})\pi: We then multiply this result by (43)π(\frac{4}{3})\pi to get the volume.\newlineV=(43)π×14367.87ft3V = (\frac{4}{3})\pi \times 14367.87 \, \text{ft}^3
  7. Calculate Numerical Value: Now, we calculate the numerical value for the volume. V(43)×3.14159×14367.87 ft34.18879×14367.87 ft360194.217 ft3V \approx \left(\frac{4}{3}\right) \times 3.14159 \times 14367.87 \text{ ft}^3 \approx 4.18879 \times 14367.87 \text{ ft}^3 \approx 60194.217 \text{ ft}^3
  8. Round to Nearest Tenth: Finally, we round the volume to the nearest tenth of a cubic foot as asked in the question prompt. V60194.2V \approx 60194.2 ft3^3

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