Question

3. What 7 and the least number which must De w witracted from 810 5 to make it a pesflest square​

Answer 1

Answer:

5

Step-by-step explanation:

It is 5:

Because if we subtract 8105 from 5

i.e. 8100-5

= 8100

Now,

$\boxed{ \sf \sqrt[2]{8100}}$

8100

= 90

Hence, 8100 has now become a perfect square (As its square root is giving us a whole number)

Therefore,

Answer: 5