(81)1/2 =
3
9
27
81
x
x2
x3
x4
(a2 + b2)0 =
a4
a2
1
0
a
a-2
a3
36 × 36 × 36 × 36 × 36 = 6?
5
6
10
20
(-1)100 =
100
-1
32 × 33 × 92 =
817
39
324
97
(1000)7 ÷ 1018 =
1000
10000
If 3x - y = 27 and 3 x + y = 243, then x = ?
2
4
If (a/b)x - 1 = (b/a)x - 3, then the value of x is
1/2
7/2