Is 68600 a perfect cube? If not, find the smallest number by which 68600 must be multiplied to get a perfect cube?
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Is 68600 a perfect cube? If not, find the smallest number by which 68600 must be multiplied to get a perfect cube?
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Answer:
Step-by-step explanation:
Solution:
By prime factorisation,
68600=2
3
×5
2
×7
3
It is not a perfect cube.
We have to multiply it by 5 , then it equals to 343000
It is a perfect cube.
Therefore, we have to multiply 68600 by 5 to make it a perfect cube
or
LCM(68600)=2*2*2*5*5*7*7*7
No, it is not a perfect cube
after multiplying by 5 this number can be a perfect cube.
Answer:
Step-by-step explanation:
14∛25 is the perfect form.