Question

how to find the smallest number which must be subtracted from 1989 to make it a perfect square​

Answer 1

Step-by-step explanation:

First of all , mark the period and solve it using the long division method

Here,

Marking period = 19 89

Now solving it by long division method :-

4 | 19 89 ( 44

+4 | -16.

84| 389

+4.| 336.

88| 53

The remaining number is 53 , so if we remove 53 from 1989 , it will become a perfect square. Here to remove 53 we have to subtract it .

Answer :- The number 53 must be subtracted from 1989 to make it a perfect square

Hope it will help..