Find the cube root of the following numbers by estimation:
(i) 226981 (ii) 13824
Pls give the correct answer with steps
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Consider the number 226981.
Since the unit's digit of 226981 is 1, the units digit of its cube root is also 1.
Now, the number obtained by striking out units, tens and hundred digits =226.
⇒6
3
<226<7
3
Tens digit of the cube root of 226981 is 6.
Hence,
3
226981
=
Since the unit's digit of 226981 is 1, the units digit of its cube root is also 1.
Now, the number obtained by striking out units, tens and hundred digits =226.
⇒6
3
<226<7
3
Tens digit of the cube root of 226981 is 6.
Hence,
3
226981
=
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