Questions

The radius of a sphere is 1.41 cm. Its volume to an appropriate number of significant figures is

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11.73 cm3

11.736 cm3

11.7 cm3

117 cm3

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detailed solution

Correct option is C

Radius of the sphere, r = 1.41 cm(3 significant figures)Volume of the sphere, V = 43πr3 = 43 ×3.14×1.143 = 11.736 cm3Rounded off up to 3 signifiant figures = 11.7 cm3

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