Question

. The smallest natural number by which 243 must be multiplied to make the product a perfect

cube is __________ .

(a) 3 (b) 9 (c) 8 (d) 7
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Answer 1

Answer:

(a) 3

Step-by-step explanation:

243 is not a perfect cube but if we multiply it  by 3 which is equal to 729 and 729 becomes perfect cube

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Answer 2

Answer:

9 is the smallest natural number