Determine the Volume of a Sphere

The video tutorial guides students through solving a standardized math test question about finding the volume of a sphere. It begins by presenting the problem, which involves calculating the volume of a spherical candy with a given radius. The instructor identifies the necessary formula from a reference sheet and demonstrates how to substitute the given values into the formula. The calculation is performed step-by-step, using a calculator to find the volume. Finally, the instructor explains how to choose the closest answer from multiple choice options, emphasizing the importance of approximation in test scenarios.

What is the shape of the candy mentioned in the problem?

• Cone

• Cube

• Cylinder

• Sphere

What is the formula for the volume of a sphere?

• V = 2/3 * π * R^3

• V = π * R^3

• V = 4/3 * π * R^3

• V = π * R^2

If the radius of a sphere is 3 cm, what is the value of R^3?

• 81

• 9

• 27

• 3

What is the approximate value of π used in the calculation?

• 3.14

• 3.75

• 3.00

• 3.50

Which of the following is closest to the calculated volume of the candy sphere?

• 111.6 cm³

• 110 cm³

• 100 cm³

• 120 cm³