Question

Using the identity of square for a binomial ,evaluate them .
a) (199)²
b) (10.3)²
c) (1.99)²​

Answer 1

Step-by-step explanation:

a) (199)^2

(200-1)^2

((200)^2+(-1)^2+2*200*(-1))

40000+1-400

39601

b) (10.3)^2

(10+0.3)^2

((10)^2+(0.3)^2+2*10*0.3)

(100+0.09+6)

106.09

c) (1.99)^2

(2-0.01)^2

((2)^2+(-0.01)^2+2*2*(-0.01))

(4+0.0001-0.04)

3.9601

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Answer 2

Answer:

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