Question

[1] Find the square roots of 121 and 144 by the method of repeated substraction:
[2] Find X+Y+Z.
id
131 Find the smallest number by which 256 must be multiplied to obtain a perfect​

Answer 1

Answer:

256must be multiplied by 2 to obtain a perfect

Answer 2

square roots of 121 = 11 and 144 = 12.

256 is a perfect square so, it can be multiplied by 1.