Question

The least number by which 324000 must be multiplied to obtain a perfect cube is
12
3
2
18​

Answer 1

Answer:

18

Step-by-step explanation:

324000= 324*1000,

= 4*81*1000,

= 2*2*3*3*3*3*(10^3),

=(18*18)*(10*10*10),

therefore,the least no by which 324000 must be multiplied to obtain a perfect cube is 18 so that it become (18*10)^3.

Hope it helps u...

Answer 2

324000=2×2×2×2×2×3×3×3×3×5×5×5

=(2^5)×(3^4)×(5^3)

Required number to be multiplied=2×3×3=18

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