Question

Evalute. this number
102×98​

Answer 1

Answer:

9996

Step-by-step explanation:

using the identity

${a}^{2} - {b}^{2} = (a + b)(a - b)$

(100+2)(100-2)

10000-200+200-4

10000-4 (-200 and +200 gets cancelled)

9996

I hope I helped you!