Find the value of 4-1 × 40 × 43.
16
8
4
0
(32)0 =
1
9
320
Find the value of x + 1/x if x = 2.
5
5/2
3/2
(98)3 =
93
98
924
911
77 ÷ 7 =
78
76
77
7
If x = 2, y = - 3 and z = 4, find the value of 3x + y + z.
2
93/4 ÷ 91/4 =
3
Find the value of 253/2.
25
125
50
8 p8 ÷ 4 p4 =
2p
2 p4
4 p2
4 p4
Simplify 3p + 7q - 2p - 5q.
p + 2q
p + q
2p + q
2p + 2q
