Simplify a3(c2 + d2) - a3(2c2 + 3d2).
-(a3c2 - 2a3d2)
-(a3c2 + 2a3d2)
a3c2 + 2a3d2
None of these
93/4 ÷ 91/4 =
1
0
3
9
Simplify 4(y + 3) - 3(2y - 1).
- 2y + 15
2y + 15
2y - 15
- 2y - 15
(32)0 =
320
Simplify 63 × 62 × 67.
18
1812
69
612
If x = 2, y = - 3 and z = 4, find the value of 3x + y + z.
2
4
7
Find the value of 4-1 × 40 × 43.
16
8
(3p4)2 =
3p8
9p6
9p8
9p4
77 ÷ 7 =
78
76
77
Find the value of 253/2.
25
125
5
50
