tolong bantu jawab ya beserta caranya.. terimakasih :)

8.
a.
1/5^3 = 1/125

b.
2/6 ^-2 = 1/3 ^-2 = 1 : 1/9 = 9

c.
-1/3 ^3 = -1/27

9.
a. ^9√3

b. ^6√7

c.
3/5^2/3
= (3/5²)^1/3
= ^3√(3/5)²

10.
a.
= 6 x 3 x 10^3-2
= 18 x 10
= 180

b.
= 7 x 2 x 5^-2+6
= 14 x 5^4