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7 February, 14:45

How many ball bearings, each with a diameter of 1 cm, can be made using 5.24 cm3 of molten steel? A) 4. B) 7. C) 8. D) 10

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  1. 7 February, 15:01
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    First, solve for the volume of the ball bearings by the equation,

    V = πd³ / 6

    Substituting the value of diameter given,

    V = π (1 cm) ³ / 6 = π/6 cm³ = 0.5236 cm³

    Divide the amount of material given by this volume,

    n = 5.24 cm³ / 0.5236 cm³ = 10

    Therefore, there are 10 ball bearings that may be formed.
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