Question

I'm not sure how to solve this... Could anyone please help me?

Answer 1

the last one 2x-⁴y⁶

Explanation:

-4 : - 2 = 2

x-³ : x = x-³-¹ = x-⁴

y⁴ : y-² = y⁴-(-²) = y⁴+² = y⁶

final

2x-⁴y⁶