zainabsoahil1 zainabsoahil1

26-03-2020
Mathematics

contestada

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

Respuesta :

amna04352 amna04352

26-03-2020

Answer:

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

Answer Link

devishri1977 devishri1977

26-03-2020

Answer:

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

Answer Link

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