Question

please solve this question

Answer 1

 I hope u know property of exponent
  1) (xᵃ)ᵇ =  xᵃᵇ
  2)  xᵃ . xᵇ = xᵃ⁺ᵇ
  3)  xᵃ / xᵇ = xᵃ⁻ᵇ

using this

refer to file attached below

any doubts then ask.