Question

using identities evaluate 5.2^2

Answer 1

5.2=5+0.2

(5+0.2)^2= 5^2+0.2^2+2(5)(0.2)

=25+0.04+2

=27.04

Answer 2

Answer:

Step-by-step explanation:

5.2^2=(5+0.2)        [(a=b)^2=a^2 +b^2+2ab]

   5^2 +(0.2)^2+2(5)(0.2)

   25+0.04+2

    27.04

hope it helps

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