9. Nilai dari 32^-2/3 adalah... 10. Nilai dari 125^2/3-81^2/3 adalah... 11. Nilai dari 8^2/3+16^1/4 adalah...

9. 32^(-2/3)
(2^5)^(-2/3)
2^(5 × -2/3)
2^(-10/3)
1
------------
2^(10/3)

10. 125^(2/3) - 81^(2/3)
(5^3)^(2/3) - (3^4)^(2/3)
5^(3 × 2/3) - 3^(4 × 2/3)
5^2 - 3^(8/3)
25 - 3^(8/3)

11. 8^(2/3) + 16^(1/4)
(2^3)^(2/3) + (2^4)^(1/4)
2^(3 × 2/3) + 2^(4 × 1/4)
2^2 + 2^1
4 + 2
6