1.
Simplify
a
4
·
a
2
.
A.
a
8
B.
2
a
8
C.
2
a
6
D.
a
6
Hint
2.
Simplify the expression (-
x
2
y
3
)(5
xy
4
).
A.
-5
x
2
y
12
B.
-5
x
3
y
7
C.
-10
x
2
y
12
D.
-10
x
3
y
7
Hint
3.
You can divide powers with the same base by _____.
A.
multiplying the exponents
B.
subtracting the exponents
C.
adding the exponents
D.
dividing the exponents
Hint
4.
Simplify the expression
A.
3
10
B.
3
4
C.
3
6
D.
1
6
Hint
5.
Simplify the expression
A.
-4
a
3
b
3
c
B.
-4
a
3
b
3
C.
-4
a
4
b
2
c
D.
-4
a
4
b
2
Hint