nomor 4 caranya tolong jelasin, di jabarkan caranya terima kasih

2^5 + 27^2/3 - (125^1/3)² + (1/2)^-2 - (81^2/3)^3/4

= 2^5 + 3² - 5² + 2² - 81^1/2

= 2^5 + 9 - 25 + 4 - 9

= 32 + 9 - 25 + 4 - 9

= 11