1.
Simplify (7
a
4
b
) (8
a
7
b
6
).
A.
56
a
11
b
7
B.
15
a
11
b
7
C.
15
a
28
b
6
D.
56
a
28
b
6
Hint
2.
Simplify (4
x
2
y
) (2
x
y
2
z
3
)
3
.
A.
24
x
5
y
7
z
9
B.
8
x
5
y
7
z
9
C.
32
x
6
y
6
z
9
D.
32
x
5
y
7
z
9
Hint
3.
Simplify (3
a
4
b
2
)
2
(2
a
3
bc
2
)
3
.
A.
17
a
12
b
8
c
5
B.
36
a
17
b
7
c
6
C.
72
a
17
b
7
c
6
D.
6
a
17
b
7
c
6
Hint
4.
Find the volume of the rectangular solid shown below.
A.
24
a
2
b
10
B.
9
a
4
b
8
C.
24
a
2
b
7
D.
24
a
4
b
8
Hint
5.
Simplify ((2
2
)
3
)
4
.
A.
2
9
= 512
B.
2
24
=16,777,216
C.
2
20
= 1,048,576
D.
2
12
= 4096
Hint