Question

evaulate by using the identity 1 (410) square​

Answer 1

(410)² = (400+10)²

identity to use : (a+b)² = a² + 2ab + b²

(400+10)²

= 400² + 2(400)(10) + 10²

160000 + 8000 + 100

= 168100

hope it helps

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