Question

Evaluate : (9.0) using expansion formule​

Answer 1

(0.9)^2=(1-0.1)^2 since(a-b)^2=a^2+b^2-2ab

1+1/100-1/5

0.81

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Answer 2

Answer:

Step-by-step explanation:

0.9)^2=(1-0.1)^2 since(a-b)^2=a^2+b^2-2ab

1+1/100-1/5

0.81

i hope this will helps you

please mark me as brainliest

I will see for your reply