See Examples 5-7 . If you do not have a calculator, use 3.14...

See Examples $5-7 .$ If you do not have a calculator, use 3.14 as an approximation of $\pi .$ Answers may vary slightly depending on which approximation of $\pi$ is used. Rubber Bands. The world's largest rubber band ball is $5 \frac{1}{2} \mathrm{ft}$ tall and was made in 2006 by Steve Milton of Eugene, Oregon. Find the volume of the ball. Round to the nearest cubic foot. Hint: The formula for the volume of a sphere is $\left.V=\frac{4}{3} \pi r^{3} .\right)(\text { Source: timesunion.com })$

See Examples $5-7 .$ If you do not have a calculator, use 3.14 as an approximation of $\pi .$ Answers may vary slightly depending on which approximation of $\pi$ is used.
Rubber Bands. The world's largest rubber band ball is $5 \frac{1}{2} \mathrm{ft}$ tall and was made in 2006 by Steve Milton of Eugene, Oregon. Find the volume of the ball. Round to the nearest cubic foot. Hint: The formula for the volume of a sphere is $\left.V=\frac{4}{3} \pi r^{3} .\right)(\text { Source: timesunion.com })$

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Key Concepts

Rounding

Rounding is a mathematical process used to reduce the number of digits in a number while maintaining a value that is close to the original. In many real-world applications, results are rounded to a specified degree of precision to ensure clarity and simplicity in reporting measurements.

Volume of a Sphere

This concept involves determining the amount of three-dimensional space enclosed by a sphere using the formula V = (4/3)?r³, where r is the radius of the sphere. Understanding this formula is fundamental in geometry and helps in solving problems related to spherical objects.

Approximating Constants

Often in calculations, constants like ? are approximated (e.g., 3.14) especially when an exact value is not necessary or when a calculator is not available. This approach simplifies computations while still providing a result that is sufficiently accurate for practical purposes.

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