Write 10000 as powers of 10.
103
4 × 101
104
105
4(x + 4) =
4x + 4
4x + 8
4x + 16
x + 16
a2(b2 + d2) - b2 (a2 + d2) =
a2d2 + b2d2
a2d2 - b2d2
ad2 - bd2
None of these
7m (m + 4) + m2 + 2 =
8m2 + 28m + 2
8m2 + 24m + 2
7m2 + 8
-3b2 (4a - b) =
-12ab2+ 3b3
12ab2 - 3b3
-12ab2 - 3b3
7(3n - 4m) + 8n =
21n - 28m
29n - 28m
13n - 28m
93/4 ÷ 91/4 =
1
0
3
9
8 p8 ÷ 4 p4 =
2p
2 p4
4 p2
4 p4
-9(d + 3) + 4d =
5d - 27
5d + 27
-5d + 27
-5d - 27
3a (a + 3) + 2b (b - 1) =
3a2 + 9a + 2b2 - 2b
3a2 - 9a + 2b2 - 2b
3a2 + 9a - 2b2 + 2b
