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24389 is a perfect cube. find theunit's digit of its cube root . |
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Answer» ong>Answer: 9 Step-by-step explanation: We divide the number 24389 into two parts. ONE is 24 and the other is 389. In the second PART, the unit place of 389 is 9. Therefore it will have 9 in its CUBEROOT. We have to estimate the cuberoot of the first part that is 24 Therefore 8 <24 <27 3√8 < 3√24 <3√ 27 2<3√24 <3 Cuberoot of 24 lies between 2 and 3 We will TAKE the SMALLER number that is 2 Therefore the number is 29 |
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