Question

99×101 has the same value as

Answer 1

Answer:

Step-by-step explanation:

99 can be written as 100-1.

And 101 can be written as 100+1

So (100-1)*(100+1).

a square -b square So.

100 square =10000

And 1 square =1

Then.

10000-1=9999 ans.