Question

Find the least number by which 68,600 must be multiplied to mske it a perfect cube. Also find the cube root of the number.
Plz explain step-by-step !! ​

Answer 1

Step-by-step explanation:

prime factorisation of 68600 is equals to

2 x 2 x 2 x 5 x 5 x 7 x 7 x 7,

here, 2 has a pair of three and 7 seven also but 5 not,

So, here we have to multiply 68600 by 5.

Hence, 343000 is the perfect cube and its cube is 70

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