[(⅕)⁻³-(⅓)⁻⁴]¹= 5³-(3)⁴ = 125-81=44
[(5)³-(3)⁴]¹= [125-81]¹=44
[(⅕)⁻³-(⅓)⁻⁴]¹=(5³-3⁴)¹=(125-81)¹=44¹=44