Question

Use (a+b)2 = a2 + 2ab +b2 and evaluate-
(10.2)^2​

Answer 1

Answer:

104.04

Step-by-step explanation:

According to the Q,

>> (10.2)²

>> (10 + 0.2)²

>> 10² + (2 x 10 x 0.2) + (0.2)²

>> 100 + (0.4 x 10) + 0.04

>> 100 + 4 + 0.04

>> 104.04

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Answer 2

Answer:

104.04

Step-by-step explanation:

(10.2)^2

=(10+0.2)^2

=10^2+0.2^2+2×10×0.2

=100+0.04+4

=104.04