Відповідь:

Покрокове пояснення:

5*64½ = 5 * √64 = 5 * 8 = 40

125-⅓ = 125^(1/3) = ∛125 = 5

32⁰/⁸ = 32^(0.125) = ∛√32 = √(4√2) = 2√(√2)

(2 7/9) -¹’⁵ = 1 / (2 7/9)¹’⁵ = 1 / [(25/9)^(1/5)] = (9/25)^(1/5) = √(√(√(9/25))) = √(√(3/5))