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Find the smallest number by which 1.243 must be multiplied to obtain a perfect cube.
To do: Find the smallest number by which 1.243 must be multiplied to obtain a perfect cube
Solution:
The number 243 can be factorized as $243=3\times3\times3\times3\times3$
$243=3^3\times3^2$
If we multiple 243 with 3, we get.
$243\times3=3^3\times3^2\times3$
$243\times=3^3\times3^3$
$243\times=9^3$
So 243 should be multiplied with 3 to make it a perfect cube
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