1)Find the least number that must be subtracted from 5607 so as to get a perfectsquare.

To find the least number that must be subtracted from 5607 to get a perfect square, follow these steps:

1. Find the square root of 5607. The square root of 5607 is approximately 74.88.

2. Since a perfect square must be an integer, round down the square root to the nearest whole number. In this case, it's 74.

3. Square this number. 74*74 equals 5476.

4. Subtract this perfect square from the original number. 5607 - 5476 equals 131.

So, the least number that must be subtracted from 5607 to get a perfect square is 131.