Question

5. Find the smallest number by which cach of
the following numbers must be multiplied to
obtain a perfect cube.
a. 2808
b. 68600​

Answer 1

Answer:

Find the smallest number by which 68600 must be multiplied to get a perfect cube. So, 68600 is not a perfect cube to make it a perfect cube we multiply it by 5. 68600×5=2×2×2×5×5×5×7×7×7=343000, which is a perfect cube.

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