Question

using algebraic Identities, evaluate:
(4.4)^2​

Answer 1

Answer:

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(a+b)²=(a+b)(a+b) =a²+b²+2ab

(4.4)²=(4+0.4)(4+0.4)

(4)²+(0.4)²+2×4×0.4

16+0.16+3.2

19.36 ans.

Step-by-step explanation:

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