1) 5x⁴y⁵ = -7
- 10x⁴y⁵ = - 2 * 5x⁴y⁵ = - 2 * (- 7) = 14
2) 5x⁴y⁵ = - 7
x⁴y⁵ = - 7 : 5 = - 1,4
5x⁸y¹⁰ = 5 * (x⁴y⁵)² = 5 * (- 1,4)² = 5 * 1,96 = 9,8
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1) 5x⁴y⁵ = -7
- 10x⁴y⁵ = - 2 * 5x⁴y⁵ = - 2 * (- 7) = 14
2) 5x⁴y⁵ = - 7
x⁴y⁵ = - 7 : 5 = - 1,4
5x⁸y¹⁰ = 5 * (x⁴y⁵)² = 5 * (- 1,4)² = 5 * 1,96 = 9,8