Question

Using identities, evaluate ( 0.99)^2

Answer 1

Answer:

Step-by-step explanation:

(0.99)^2 = (100 - 1)^2

(a - b)^2 = a^2 -2ab + b^2

therefore, (100 - 1)^2 = (100)^2 - 2(100)(1) + (1)^2

= 10000 - 200 + 1

= 9801

Hope this helped!