Find the smallest number
by which 81
must be multiplied to obtain a perfect
cube
Answers
Answered by
3
Answer:
9 is the smallest number that is mult
Answered by
9
Answer:Resolving 81 into prime factors , we get
81 = 3 × 3 × 3 × 3
= ( 3 × 3 × 3 ) × 3
The Prime factor 3 does not appear
in a group of three .
So, 81 is not a perfect cube .
Hence , the smallest number by which
it is to be multiplied to make it a perfect
cube is 3 × 3 = 9
hope it helps u
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