Question

Find the least number that should be multiplied by 343 to make it a perfect square ,Also find the square root of the new number obtained.

Answer 1

Since it is asked for the least number to be multiplied to 343, it would be 7.

Because $7^{3} =343$ , so it has to be multiplied by 7,for it be a perfect square.

Now the new number is: 2401

And it's square root would be:-

$2401=7^{4} =49^{2}$

So, it's square is 49.

Answer 2

Answer:

go through the attachment