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15 October, 18:35

Zuri made 2 spheres using plaster. The smaller sphere has a radius of 6 cm. The larger sphere has a radius of 24 cm.

How much more plaster did Zuri use for the larger sphere?

Use 3.14 to approximate pi and express your answer in hundredths.

cm3

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Answers (2)
  1. 15 October, 20:50
    0
    Volume of a sphere is 4/3 times pi times radius^3

    so first calculate the smaler sphere

    radius=6

    pi is aprox 3.14

    4/3 times 3.14 times r^3

    4/3 times 3.14 times 6^3

    4/3 times 3.14 times 216

    904.32 cm^3=volume

    volume of larger

    radius=24

    4/3 times 3.14 times 24^3

    4/3 times 3.14 times 13824

    57876.48 cm^3

    so then subtract the volume of the smaller sphere from the larger sphere

    57876.48-904.32=56972.16 cm

    he used

    56972.16 cm^3 plaster

    I think you mean to the hundreth's place which is the place denoted by the x in 0.0x so it is to the hundreth's place

    he used

    56972.16 cm^3 plaster

    I got this from The Brainliest Answer!
  2. 15 October, 22:16
    0
    Volume of a sphere is (4/3) (pi) (r^3)

    (4/3) (pi) (6^3) = 904.78

    (4/3) (pi) (24^3) = 57905.84

    57905.84 - 904.78 = 57001.06cm^3 more plaster
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