1.
Simplify (4
x
3
) (3
x
5
).
A.
7
x
15
B.
12
x
15
C.
7
x
8
D.
12
x
8
Hint
2.
Simplify (4
y
4
)
3
.
A.
64
y
64
B.
64
y
12
C.
12
y
12
D.
12
y
3
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.
Simplify ((2
2
)
3
)
4
.
A.
2
24
=16,777,216
B.
2
20
= 1,048,576
C.
2
12
= 4096
D.
2
9
= 512
Hint
5.
Which expression is equivalent to ((3
2
)
4
)
3
?
A.
9
6
B.
81
6
C.
27
12
D.
9
9
Hint