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30 April, 17:27

Find the smallest value of k such that 3240k is a perfect cube

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Answers (2)
  1. 30 April, 17:36
    0
    225

    Step-by-step explanation:

    3240k = 2*2*2*3*3*3*3*5*k

    Every factor should be in groups of 3

    (3*5) ² = k

    k = 225
  2. 30 April, 17:44
    0
    Step-by-step explanation:

    Prime factorize 3240

    3240 = 2*2*2*3*3*3*3*5

    To be a perfect cube we have to multiply it by 5*5*3*3 = 25*9=225
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