x2
x-2
x3
x-3
16 1/2 =
4
8
2
42
(a2 + b2)0 =
a4
a2
1
0
(64/27)3
4/3
3
3/4
(81)1/2 =
9
27
81
a
a-2
a3
x 1/3
x 2/3
x6
x 3/2
(a - b)2 × (a - b)-4 =
(a - b)
(a - b)2
1/(a - b)2
(a - b)6
x-4
x8
