Which expression is equivalent to the fraction with numerator 60 x to the 20th power y to the 24th power and denominator 30 x to the 10th power y to the 12th power ?

Divide the coefficients: 60 ÷ 30 = 2. When dividing powers with the same base, subtract the exponents, so x²⁰ ÷ x¹⁰ = x¹⁰ and y²⁴ ÷ y¹² = y¹². The equivalent expression is 2x¹⁰y¹², choice D.

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