Yfnmhosfjof days vs£$^%€%€my h

Question

Yfnmhosfjof days
vs£$^%€%€my
h

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Answer 1

1) 2a²b (-3ab²)²=2a²b * 9a²b⁴=18a⁴b⁵

2) (2xy⁻¹)⁴ * 4x⁻³ = 16x⁴y⁻⁴ * 4y² =64 xy⁻² = 64x 
                   y⁻²                    x³                   y²

3) (-1 ab²)⁻³ * (4a² b³)² = (-2)³ a⁻³ b⁻⁶ * 16a⁴b⁶=-8 * 16 ab⁰=-128a
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