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22 November, 16:42

The radius of a spherical ball is measured at r = 25 cm. Estimate the maximum error in the volume and surface area if r is accurate to within 0.6 cm. (Round your answers to three decimal places.)

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  1. 22 November, 16:51
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    Volume = 2384.582 cm^3

    Surface Area = 189.626 cm^2

    Step-by-step explanation:

    With the accuracy of r within 0.6 cm minimum & maximum values are 25-0.3 and 25+0.3 respectively.

    Taking r = 25 cm

    Volume = (4/3) * Pi*R3 = 65449.847

    Surface Area = 4*Pi*R2 = 7853.982

    The minimum possible values for Volume and surface area would be:

    if r = 24.7 cm

    Volume = (4/3) * Pi*R3 = 63121.814 cm^3

    Surface Area = 4*Pi*R2 = 7666.617 cm^2

    The maximum possible values for Volume and surface area would be:

    if r = 25.3 cm

    Volume = (4/3) * Pi*R3 = 67834.429 cm^3

    Surface Area = 4*Pi*R2 = 8043.608 cm^2

    Error from Minimum values:

    Volume = 2328.033 cm^3

    Surface Area = 187.365 cm^2

    Error from Maximum values:

    Volume = 2384.582 cm^3

    Surface Area = 189.626 cm^2
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