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Find the Cube Root of the Following Natural Number 4913 . - Mathematics

Sum

Find the cube root of the following natural number 4913 .

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Solution

Cube root using units digit:
Let us consider 4913.
The unit digit is 3; therefore, the unit digit in the cube root of 4913 is 7.
After striking out the units, tens and hundreds digits of the given number, we are left with 4.
Now, 1 is the largest number whose cube is less than or equal to 4.
Therefore, the tens digit of the cube root of 4913 is 1.
Hence,

\[\sqrt[3]{4913} = 17\]

 

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APPEARS IN

RD Sharma Class 8 Maths
Chapter 4 Cubes and Cube Roots
Exercise 4.3 | Q 4.03 | Page 22
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