Question

Find the cube root using guess method 12867​

Answer 1

ANSWER

389017

Here the unit digit is 7.

∴The unit digit of its cube root is 3 .[∵3

3

=27]

After grouping the last three digits from the right, the number left is 389.

Now, 7

3

=343<389 and 8

3

=512>389.

∴The tens digit of the cube root is 7.

∴

3

389017

=73

Answer 2

Answer:

Using guess method answer is 23