Question

19. By what number should 81 be divided to get a perfect cube?
एक परिपूर्ण घन प्राप्त करने के लिए 81 को किरा संख्या से विमाजित किया जाना चाहिए?
a. 3
b. 6
c. 7
d. 9
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Answer 1

Answer:

The answer is 3.

Because, 81/3 = 27 = 3^3.

Step-by-step explanation:

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Answer 2

Answer:

$here \: is \: your \: answer.$

Step-by-step explanation:

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Writing 81 as a product of prime factors, we have:

81 = 3×3×3 ×3

Clearly, to make it a perfect cube, it must be divided by 3.

So your first option is correct dear .

" a. 3"

please see the given attachment for the understanding.

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