Question

identity =
(a+b) square= a square + 2(a)(b)+ b square​

Answer 1

Answer:

$( {5.2}^{2} ) = {(5.0 + 0.2)}^{2} \\ = 25 + 0.4 + 2 \\ = 27.4$

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Answer 2

Answer:

$\huge{ \fcolorbox{aqua}{lime}{ANSWER}}$

Step-by-step explanation:

(5.2)²

(a+b)²=(a+b)(a+b)

=a²+b²+2ab

(5.2)²=(5+0.2)(5+0.2)

=(5)²+(0.2)²+2(5)(0.2)

=25+0.04+2

=27+0.04

=27.04 ans.

Hope it will help you..