Question

please answer this ​

Answer 1

Answer:

it must be -1/2 hope may help

Answer 2

Answer:

Let us use one important law of powers here. xᵃ × xᵇ × xⁿ = xᵃ⁺ᵇ⁺ⁿ

Therefore [{(-1/2)²}⁻²]⁻¹ = -1/2²⁻²⁻¹ = -1/2⁻¹ = 1 ÷(-1/2)= -2