Question

Simplify 9.8×10.2 using identities.

Answer 1

@brainly..

9.8×10.2

(10-0.2)(10+0.2)

(10)^2–(0.2)^2

100–0.04

99.96

Answer 2

Answer:

Step-by-step explanation:

9.8×10.2=

(10-0.2) (10+0.2) =

(a-b)(a+b)=a²-b²

(10) ²-(0.2)²=100-0.04=99.96