Question

without multiplying evaluate 98 square

Answer 1

9604
I hope my answer help you.

Answer 2

98²= (100-2)²
This is in the identity of (a-b)²=a²-2ab+b².

So,
(100-2)²=(100)²-2(100)(2)+(2)².
=10000-400+4.
=9600+4.
=9604.

Therefore, (100-2)²=9604.
98²=9604.