Math, asked by theastilton29, 2 days ago

using identities evaluate (20.7)^2

Answers

Answered by shoaibkhan4201122

4

Step-by-step explanation:

We have,

(20.7)²=(20+0.7)²

=(20)²+(0.7)²+2(20)(0.7)

=400+4.9+28

=432.9

I hope it will help you please mark me as brainliest

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