Answer :

Answer:

Step-by-step explanation:

In exponential multiplication, if bases are same, add the powers

xᵃ * xᵇ = xᵃ⁺ᵇ

Side = 12d⁶e⁷

Area of square = side *side

                        = 12d⁶e⁷ * 12d⁶e⁷

                        = 12* 12* d⁶e⁷ * d⁶e⁷

                        = 144d⁶⁺⁶ * e⁷⁺⁷

                        = 144d¹²e¹⁴

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