Question

Q19. 24389 is a perfect cube. Find the unit's digit of its cube root. 24389 ਇੱਕ ਪੂਰਨ ਘਣ ਹੈ. ਇਸਦੇ ਘਣ ਮੂਲ ਦਾ ਇਕਾਈ ਦਾ ਅੰਕ ਲੱਭੋ.। 24389 एक पूर्ण घन है। इस के घनमूल का इकाई का अंक ज्ञात कीजिए।​

Answer 1

Step-by-step explanation:

units place of cubth root of 24389 is 9

Answer 2

It has given that, 24389 is a perfect cube.

we have to find the unit's digit of its cube root.

solution : first find prime factors of 24389.

prime factors of 24389 = 29 × 29 × 29 = 29³

it is clear that 24389 is a perfect cube of 29.

i.e., so cube root of 24389 = (29³)⅓ = 29

now you can see the unit's digit of cube root of 24389 = 9

Therefore the unit's digit of cube root of 24389 is 9.

also read similar questions : 24389 is a

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show that-

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